4 syllables:
acrography, aerography, allography, anthography, arthrography, astrography, autography, biografie, biographee, biographie, biography, cacography, calcography, capnography, cartography, cerography, chalcography, chartography, chirography, chorography, chronography, chrysography, cosmography, criptography, cryptographie, cryptography, cystography, demography, desmography, discography, diskography, dittography, doxography, echography, ethnography, ethography, flexography, fluorography, fractography, geographie, geography, glossography, glyphography, glyptography, gypsography, haplography, histography, homography, horography, hydrography, hymnography, hypsography, ichnography, ichthyography, infographie, isography, kaumography, kleptography, kymography, lipography, lithography, lomography, lymphography, macrography, mammography, mimography, monographie, monography, morphography, myography, mythography, neography, nephrography, netnography, neurography, nomography, nosography, nyctography, optography, orography, orthography, otography, pantography, pathography, pawnography, pedography, petrography, philography, phlebography, phonography, photographie, photography, phycography, phytography, pictography, planography, plastography, pneumography, pomography, pornographie, pornography, portography, psalmography, pseudography, psychography, pterography, ptychography, pyrography, renography, scenography, sciagraphy, sciography, seismography, sonography, sphenography, spirography, splanchnography, splenography, stelography, stratography, stylography, syndesmography, tachography, technography, thermography, thornography, thoughtography, tocography, tonography, topography, tractography, typographie, typography, urography, vasography, venography, xylography, yes discography, zenography, zincography, zonography, zoography

5 syllables:
ac/dc discography, actinography, adenography, adoxography, agrostography, amniography, ampelography, anemography, anorthography, anthropography, aortography, archaeography, areography, balneography, bibliographie, bibliography, cardiography, celidography, ceramography, cervicography, choreografie, choreography, chromatographie, chromatography, cisternography, climatography, cometography, craniography, crystallography, crystalography, dactylography, defecography, demonography, dermatography, drake discography, ectypography, elastography, electrography, embryography, enterography, erotography, galvanography, hagiography, haliography, heliography, hemautography, hepatography, heterography, hyalography, hyetography, hysterography, iconography, ideography, inorthography, kiss discography, laminography, laryngography, lexicography, lichenography, lorde discography, mechanography, metallography, museography, myelography, news photography, oceanography, odontography, oleography, ophthalmography, opisthography, orchesography, oreography, organography, oryctography, oscillography, osteography, ouranography, palaeography, palatography, paleography, papyrography, perspectography, pharmacography, physiography, plethysmography, pluviography, polarography, posturography, potamography, prosopography, pterylography, pyelography, queen discography, radiography, rhyparography, roentgenography, rush discography, salpingography, selenography, semeiography, semiography, sialography, siderography, sigillography, sociography, sparks discography, steganography, stereography, stock photography, tasseography, thalassography, thanatography, thaumatography, transferography, twice discography, uranography, urethrography, vexillography, videography, webliography, xerography, zeugmatography, zoogeography, zz top discography

6 syllables:
abba discography, aluminography, anaglyptography, arteriography, astrophotography, auto-biography, autobiografie, autobiographie, autobiography, autoethnography, autotypography, bee gees discography, bioautography, biogeography, blackpink discography, cholangiography, cholecystography, choledochography, chromolithography, chromophotography, chromotypography, chronophotography, cineangiography, cinefluorography, cinematography, cinemicrography, coldplay discography, cystometrography, cystourethrography, dactyliography, eagles discography, encephalography, endosonography, enigmatography, epidurography, epistolography, green day discography, heresiography, historadiography, historiography, journey discography, lithophotography, logic discography, macrophotography, mammothermography, meteorography, microcosmography, microphotography, nanolithography, nosogeography, numismatography, offset lithography, palaeontography, paleontography, pearl jam discography, phantasmatography, photochronography, photofluorography, photolithography, photomacrography, photomicrography, phototopography, phototypography, photoxylography, photozincography, phytogeography, pink floyd discography, pneumoangiography, polyautography, polysomnography, polytomography, powder photography, psychobiography, psychogeography, semasiography, slipknot discography, symbolaeography, telephotography, testaceography, the cure discography, the doors discography, the kinks discography, the weeknd discography, the who discography, thromboelastography, toreumatography, typolithography, ultrasonography, ventriculography, vesiculography, xeromammography, xylopyrography

7 syllables:
anthropogeography, atmosphere discography, biobibliography, black sabbath discography, bob dylan discography, bon jovi discography, britney spears discography, bruce springsteen discography, bruno mars discography, cardiotocography, chicago discography, cineradiography, column chromatography, dababy discography, deep purple discography, def leppard discography, depeche mode discography, dialect geography, dreamcatcher discography, ed sheeran discography, electromyography, electrophotography, enteradenography, epidemiography, fleetwood mac discography, foo fighters discography, frank zappa discography, genesis discography, grateful dead discography, hans zimmer discography, horologiography, jethro tull discography, john lennon discography, judas priest discography, king crimson discography, limp bizkit discography, linguistic geography, linkin park discography, nirvana discography, oasis discography, palaeoethnography, palaeogeography, paleoceanography, paleoethnography, paleogeography, paper chromatography, phonocardiography, photogalvanography, photoplethysmography, physical geography, pneumoradiography, prince albums discography, public-key cryptography, radioautography, radiophotography, red velvet discography, ringo starr discography, rod stewart discography, santana discography, steely dan discography, stereolithography, stereophotography, stereotypography, the beach boys discography, the beatles discography, u2 discography, van halen discography, vectorcardiography, xeroradiography

8 syllables:
a. r. rahman discography, alice cooper discography, angiocardiography, ballistocardiography, billie eilish discography, billy joel discography, bts albums discography, david bowie discography, dua lipa discography, echoencephalography, economic geography, electro-oculography, electrochromatography, electrocochleography, electrocorticography, electronystagmography, electrooculography, electroretinography, frank sinatra discography, george harrison discography, hysterosalpingography, iron maiden discography, justin bieber discography, kanye west albums discography, katy perry discography, kinetocardiography, lady gaga discography, led zeppelin discography, metallica discography, microcinematography, paul mccartney discography, pneumoencephalography, r.e.m. discography, radiochromatography, radiohead discography, stephen king bibliography, stevie wonder discography

9 syllables:
aerosmith albums discography, aretha franklin discography, ariana grande discography, electro-encephalography, electroencephalography, electroneuromyography, elton john albums discography, eminem albums discography, madonna albums discography, madonna singles discography, magneto-encephalography, magnetoencephalography, paleobiogeography

10 syllables:
agatha christie bibliography, camila cabello discography, cineangiocardiography, cormac mccarthy bibliography, legality of child pornography, m. m. keeravani discography

3 syllables:
wallaby, colony, comradely, hostilely, broccoli, modesty, wannabe, possibly, rocketry, ology, quantity, novelty, policy, bodily, sodomy, botany, psalmody, homily, prodigy, sovereignty, monstrously, boloney, honesty, twopenny, audibly, frostily, honestly, constantly, quality, ptolemy, hostelry, bonhomie, comedy, dobsonfly, solidly, dovekie, commonly, potbelly, potently, romany, polony, constancy, monody, progeny, wantonly, modestly, consciously, gossipy, colloquy, crotchety, prosody, monandry, cobwebby, odyssey, prophecy, contrasty, probably, wobbly, wannabee, polity, oddity, conakry, balmily, blossomy, bonduc tree, bottletree, caudally, connally, cosily, cozily, dottily, foxily, guenon monkey, knobbly, noxiously, obloquy, promisee, prophesy, rommany, rottenly, squalidly, stodgily, talkily, watchfully

4 syllables:
monopsony, ontogeny, monotony, volubly, autonomy, pomology, cacophony, synonymy, astronomy, psephology, verbosity, technology, sinology, horology, colostomy, conchology, mycology, misogamy, aerology, oncology, geometry, zoology, homogeny, economy, monopoly, ecology, frivolity, garbology, doxology, tocology, neurology, philology, democracy, apostrophe, cytology, ontology, impolitely, anthology, comradery, thermometry, geology, geodesy, phonology, phytology, hypocrisy, nosology, demonstrably, ethnology, penology, gastronomy, atrocity, loquacity, velocity, misology, ichthyology, agrology, trade policy, improbably, viscosity, impossibly, apostasy, moronity, comparably, proctology, equality, commodity, despondently, inconstancy, porosity, spectroscopy, gibbosity, prodigally, impotency, pathology, philosophy, bureaucracy, dishonesty, theology, neology, virology, conjugally, apology, monstrosity, jocosity, unconsciously, ethology, serology, psychology, mahogany, insolvency, allopathy, hydrometry, theocracy, phylogeny, tautology, optometry, morphology, agronomy, otology, astrometry, callosity, urology, histology, ferocity, hydrology, mythology, despondency, chronology, posology, anomaly, biology, responsibly, allometry, dichotomy, fluoroscopy, phrenology, low comedy, astrology, enology, idolatry, spectrometry, homology, monogamy, seismology, autocracy, precocity, petrology, limnology, algometry, allotropy, androgeny, apogamy, arthroscopy, astrolatry, autogeny, bardolatry, biogeny, calabash tree, child prodigy, cosmolatry, exogamy, farce comedy, globosity, gymnosophy, high quality, immodestly, immodesty, isogamy, isometry, lithotomy, lordolatry, low quality, mammalogy, monocracy, naprapathy, obnoxiously, old colony, plutocracy, prime quantity, psychometry, pyrolatry, self-consciously, shape constancy, size constancy, symbolatry, tax policy, tetralogy, theosophy, top-quality, topolatry, tuatha de, verbolatry, viscometry, with modesty, zoolatry

5 syllables:
sinuosity, laparoscopy, hematology, macrocephaly, archeology, anemometry, toxicology, aetiology, angiology, actinometry, physiology, eschatology, teratology, rheumatology, anthropology, etymology, child psychology, uranology, true anomaly, dermatology, hagiology, volcanology, mineralogy, depth psychology, audiometry, haematology, ophthalmology, radiology, axiology, fiscal policy, primatology, inequality, scientology, embryology, adiposity, herpetology, gynaecology, parisology, stereoscopy, tortuosity, etiology, high technology, jejunostomy, aristocracy, foreign policy, ideology, tuberosity, egyptology, trigonometry, oenology, mediocrity, teleology, methodology, paleology, speleology, generosity, terminology, audiology, genealogy, cardiology, archaeology, sociology, poenology, animosity, entomology, immunology, criminology, curiosity, ornithology, climatology, adenopathy, irresponsibly, tracheostomy, lexicology, meniscectomy, sociometry, pharmacology, plane geometry, gerontology, numerosity, anthropometry, grandiosity, densitometry, anisogamy, gynecology, episiotomy, anthropolatry, arborolatry, bibliolatry, brightness constancy, celioscopy, color constancy, complex quantity, constant quantity, defence policy, defense policy, demonolatry, diabolatry, disconsolately, floating policy, glutinosity, greek mythology, gynaeolatry, gyneolatry, hagiolatry, heliolatry, iconolatry, idiolatry, laparotomy, mass spectroscopy, norse mythology, palaeology, passamaquody, preciosity, radioscopy, rail technology, social policy, spelaeology, sumerology, symbololatry, thaumatolatry, tragicomedy, true mahogany, unknown quantity, unselfconsciously, without modesty

6 syllables:
neuroanatomy, cardiomyopathy, antimonopoly, token economy, psychopathology, market economy, bacteriology, solid geometry, social democracy, social psychology, musical comedy, endocrinology, human ecology, paleobotany, escape velocity, religiosity, geomorphology, folk etymology, neuropsychology, meteorology, biotechnology, parapsychology, glottochronology, palaeontology, epistemology, neurobiology, insurance policy, paleontology, numismatology, applied psychology, microbiology, moral philosophy, muzzle velocity, agrobiology, assyriology, cedar mahogany, cholelithotomy, christian theology, compound morphology, cuban mahogany, decline in quality, definite quantity, hypervelocity, legal philosophy, managed economy, maternal quality, mining geology, palaeobotany, palaetiology, paletiology, parental quality, paternal quality, protozoology, relative quantity, roman mythology, seriocomedy, voluminosity

7 syllables:
projective geometry, natural theology, situation comedy, anesthesiology, psychopharmacology, radio astronomy, clinical psychology, terminal velocity, spherical geometry, african mahogany, paleopathology, epidemiology, bioclimatology, philippine mahogany, cognitive psychology, paleobiology, dynamic viscosity, social anthropology, psychophysiology, paleornithology, natural philosophy, neurophysiology, doctor of philosophy, immunopathology, absolute viscosity, animal psychology, classical mythology, clinical neurology, communist economy, computer technology, descriptive geometry, doctor of optometry, doctor of theology, economic policy, genetic psychology, honduras mahogany, indefinite quantity, marine archaeology, marine archeology, master of theology, numerical quantity, palaeobiology, palaeodendrology, palaeogeology, palaeopathology, palaeornithology, palaeozoology, paleodendrology, paleogeology, paleomammalogy, paleozoology, parametric quantity, protoanthropology, protoarchaeology, protoarcheology, socialist economy, sociobiology, unit of viscosity, variable quantity

8 syllables:
cultural anthropology, micropaleontology, congenital anomaly, physical anthropology, comparative psychology, paleoclimatology, molecular biology, proprietary colony, hyperbolic geometry, industrial psychology, paleoanthropology, analytic geometry, political economy, automotive technology, bachelor of theology, capitalist economy, coordinate geometry, department of biology, department of philosophy, department of psychology, descriptive anthropology, differential psychology, dominican mahogany, economic geology, elementary geometry, empiricist philosophy, human paleontology, large indefinite quantity, national trading policy, palaeoclimatology, parabolic geometry, petroleum geology, small indefinite quantity, transcendental philosophy

9 syllables:
coefficient of viscosity, developmental psychology, experimental psychology, african scented mahogany, analytical geometry, communications technology, department of anthropology, department of sociology, parliamentary democracy, underwater archaeology, underwater archeology

10 syllables:
physiological psychology

11 syllables:
council on environmental policy

12 syllables:
digital communications technology