3 syllables:
-tonia, conia, donia, gonia, konia, kronia, sloanea, tonia, zonia

4 syllables:
abronia, adonia, agonia, alstonia, amonia, amsonia, ansonia, antonia, aphonia, aponia, armonia, aronia, atonia, baronia, bartonia, bedsoniae, bignonia, bocconia, boltonia, bononia, boronia, britonia, bugonia, caesonia, caldonia, cetonia, chaeronea, charmonia, charonia, chelonia, ciconia, cladonia, claytonia, cliftonia, clintonia, colonia, comptonia, cooksonia, cydonia, dicksonia, didonia, dumnonia, dystonia, elbonia, eonia, esthonia, estonia, fittonia, franconia, fredonia, freedonia, frestonia, galtonia, gastonia, gordonia, gorgonia, harmonia, hottonia, houstonia, idonia, ionia, jacksonia, jamesonia, koinonia, kolonia, kydonia, laconia, lakonia, latonia, lavonia, leonia, madonia, mahonia, mansonia, miltonia, monsonia, ms estonia, omonia, oogonia, oxonia, pahonia, pannonia, paonia, pavonia, petronia, pisonia, pnuemonia, pogonia, polonia, rondonia, sefronia, selonia, sidonia, sinfonia, sithonia, slavonia, slovonia, snowdonia, sophronia, syconia, tithonia, trigonia, tucktonia, uchronia, usonia, vernonia, vidonia, vigonia, waconia, wallonia, watsonia, zenonia, zirconia

5 syllables:
adansonia, agrimonia, allionia, amazonia, ambazonia, androconia, angelonia, anhedonia, antigonia, apollonia, apolonia, appolonia, ascogonia, babylonia, caledonia, calzedonia, catatonia, ceratonia, ceremonia, cerimonia, collinsonia, colophonia, darlingtonia, daubentonia, denisonia, diaphonia, dipteronia, e-estonia, edmontonia, escallonia, eudaemonia, eudaimonia, eudemonia, forgottonia, haemoconia, helliconia, hemoconia, hormogonia, hypertonia, hypophonia, hypotonia, isotonia, jeffersonia, katatonia, lycaonia, macedonia, malinconia, manfredonia, metratonia, millingtonia, misophonia, monotonia, myatonia, myoclonia, myotonia, otoconia, oxyphonia, paphlagonia, paraphonia, paratonia, patagonia, patersonia, perigonia, philharmonia, polygonia, puberphonia, rhinophonia, rhizoctonia, spermogonia, statoconia, templetonia, tetragonia, trachyphonia, vagotonia, wellingtonia

6 syllables:
amyotonia, aniseikonia, cerebrotonia, genus cydonia, genus vernonia, heterochronia, heterophonia, heterotonia, hyperhedonia, knights of sidonia, new-caledonia, new caledonia, north macedonia, pseudocydonia, somatotonia, spermatogonia, viscerotonia

7 syllables:
acromyotonia, neuromyotonia, sympathicotonia

8 syllables:
capital of estonia

2 syllables:
cowpea

3 syllables:
cobia, fovea, sophia, anopia, pignolia, phobia

4 syllables:
melancholia, monrovia, cyclopia, synovia, dystopia, tephrosia, protanopia, achromia, zoophobia, subtopia, asthenopia, agnosia, sinopia, tritanopia, mongolia, utopia, myopia, cambodia, aeolia, anomia, celosia, elsholtzia, eschscholtzia

5 syllables:
claustrophobia, nyctalopia, social phobia, aquaphobia, gynophobia, cynophobia, amblyopia, cornucopia, homophobia, phobophobia, xenophobia, anatolia, taphephobia, hydrophobia, mysophobia, algophobia, peperomia, deuteranopia, hyperopia, cryophobia, nyctophobia, hypnophobia, ametropia, pyrophobia, ethiopia, androphobia, anglophobia, acrophobia, astraphobia

6 syllables:
entomophobia, acarophobia, hypermetropia, ailurophobia, hemeralopia, agoraphobia

7 syllables:
oligodendroglia, triskaidekaphobia, anisometropia