2 syllables:
bissen, bisson, bliss in, brison, brisson, byssin, christen, christene, chrysin, clisson, dishon, dison, dissen, ficin, fisson, frison, frisson, gisin, glisson, glisten, grison, grisson, gwisin, ison, kissane, kissen, lisan, listen, missen, nissen, nissin, picine, pison, rison, sison, sisson, sissonne, thissen, this in, this sin, this son, tison, viscin, vison, visone, vissen, wissen, zisson

3 syllables:
abscissin, aglisten, alisson, allicin, aricine, arnicin, beschissen, calisson, datiscin, divison, edmisten, fradicin, gentisin, hystricine, ilicin, lewisson, medicin, mischristen, rechristen, remiss in, saucisson, unchristen, vermissen

4 syllables:
elasticin, genus sison, haemolysin, hemolysin, jeanne de clisson, leukolysin, mepartricin, myristicin, neurophysin, rifampicin, thermolysin, theunissen

5 syllables:
heterolysin, neotibicen, staphylolysin, synaptophysin

6 syllables:
autohemolysin, isohemolysin

7 syllables:
erythrocytolysin

2 syllables:
pleven, treason, heathen, lesion, steven, grecian, stephen, season, reason, driven, fission, given, griffon, gryphon, isn't, lycian, mission, mithan, mizzen, nisan, prison, risen, scission, sivan, stiffen, titian, vision, whitsun, writhen

3 syllables:
accretion, completion, depletion, preseason, phoenician, artesian, repletion, secretion, high treason, phaethon, excretion, uneven, deletion, adhesion, cohesion, unreason, dry season, tunisian, venetian, concretion, abscission, addition, admission, ambition, arisen, attrition, audition, clinician, cognition, coition, collision, commission, condition, contrition, decision, derision, detrition, division, edition, elision, emission, envision, excision, forgiven, fruition, galician, ignition, imprison, incision, logician, magician, monition, mortician, munition, musician, night vision, nutrition, omission, optician, parisian, partition, patrician, perdition, permission, petition, physician, position, practician, precision, prevision, provision, recission, remission, rendition, rescission, revision, search mission, sedition, sortition, state prison, submission, suspicion, tactician, technician, tradition, transition, transmission, tuition, vendition, volition

4 syllables:
polynesian, age of reason, indonesian, rainy season, austronesian, silly season, permeation, growing season, abolition, acquisition, admonition, aesthetician, ammunition, apparition, apposition, bad condition, bakke decision, belgian griffon, brussels griffon, cell division, circumcision, coalition, combat mission, competition, composition, cosmetician, cross-division, definition, deglutition, demolition, deposition, dietician, dietitian, disposition, disquisition, electrician, erudition, esthetician, exhibition, expedition, exposition, extradition, eye condition, field emission, foreign mission, form division, good condition, heart condition, house physician, imbibition, imposition, imprecision, inanition, indecision, inhibition, inquisition, intermission, intromission, intuition, in addition, in commission, in condition, in remission, jazz musician, line of vision, logistician, long division, machine-driven, malnutrition, malposition, manumission, new edition, obstetrician, opposition, ordovician, parturition, phase transition, phonetician, politician, postposition, precognition, precondition, premonition, preposition, preterition, pretermission, prohibition, proposition, readmission, recognition, recondition, repetition, reposition, requisition, rhetorician, sales division, short division, skin condition, split decision, stage technician, statistician, superstition, supervision, supposition, syntactician, text edition, trade edition, transposition, with ambition, word division

5 syllables:
elizabethan, academician, arithmetician, art exhibition, ballet position, cleanup position, colored audition, control condition, decomposition, dental technician, derequisition, diagnostician, dialectician, face recognition, fairness commission, final decision, geometrician, geriatrician, indisposition, interposition, in opposition, juxtaposition, lotus position, mathematician, newly arisen, nuclear fission, out of commission, paediatrician, pediatrician, photoemission, planning commission, predisposition, presupposition, price competition, price of admission, rate of attrition, redefinition, redeposition, redisposition, reimposition, semiotician, standard transmission, taracahitian, theoretician, thermal emission, weather condition, zoning commission

6 syllables:
mispronunciation, angular position, boundary condition, cellular division, diplomatic mission, econometrician, election commission, essential condition, financial condition, hostile expedition, hunting expedition, infrared emission, judicial decision, limited edition, machine politician, military mission, object recognition, phase of cell division, polar opposition, porcupine provision, radio emission, reduction division, resident physician, search and destroy mission, search and rescue mission, trigonometrician, writ of prohibition

7 syllables:
advertising division, antiredeposition, atmospheric condition, automatic transmission, double decomposition, dramatic composition, economic condition, electrodeposition, explicit definition, favorable position, military commission, military position, missionary position, musical composition, mutual opposition, population commission, sanitary condition, secondary emission, statistical commission, unit of ammunition, vector decomposition

8 syllables:
administrative division, antipodal opposition, dictionary definition, environmental condition, experimental condition, geographic expedition, literary composition, military expedition, photoelectric emission, reciprocal inhibition, territorial division, unfavorable position

9 syllables:
atomic energy commission, mathematical statistician, social development commission

12 syllables:
economic and social council commission