2 syllables:
buzzin, buzz in, cousin, doesn, doesn't, does in, dozen, mazin, ptisan, shizen

3 syllables:
cross-cousin, first cousin, full cousin, half-dozen, half dozen, long dozen, two dozen

4 syllables:
aya-gozen, baker's dozen, cater-cousin, half a dozen, kissing cousin, quater-cousin, second cousin

2 syllables:
frisian, fission, grison, lycian, frisson, listen, titian, stiffen, griffon, vision, driven, whitsun, christen, glisten, mission, writhen, sivan, given, gryphon

3 syllables:
prevision, position, admission, tahitian, vendition, tradition, ignition, collision, sedition, decision, perdition, monition, excision, rescission, magician, fruition, ambition, forgiven, emission, tuition, technician, precision, contrition, condition, transition, addition, envision, mortician, edition, optician, rendition, incision, remission, volition, clinician, audition, transmission, patrician, cognition, submission, physician, provision, revision, elysian, derision, sortition, logician, petition, abscission, partition, omission, division, elision, commission, attrition, musician, nutrition, munition, night vision, suspicion, galician, parisian, detrition, tactician, permission

4 syllables:
saurischian, deglutition, in condition, apposition, dietitian, inhibition, ammunition, imposition, ornithischian, composition, malnutrition, cell division, imbibition, coalition, field emission, exhibition, premonition, intromission, long division, parturition, intermission, esthetician, repetition, micturition, acquisition, house physician, erudition, cosmetician, postposition, ordovician, prohibition, trade edition, imprecision, politician, brussels griffon, demolition, indecision, definition, supervision, obstetrician, short division, rhetorician, dietician, competition, preterition, readmission, reposition, phase transition, manumission, admonition, extradition, preposition, superstition, inanition, inquisition, recondition, electrician, aesthetician, requisition, expedition, disquisition, deposition, proposition, circumcision, transposition, recognition, precondition, apparition, supposition, statistician, precognition, malposition, split decision, phonetician, streptolysin, abolition, exposition, opposition, disposition, intuition

5 syllables:
juxtaposition, mathematician, dialectician, photoemission, lotus position, geriatrician, decomposition, predisposition, indisposition, dental technician, academician, presupposition, pediatrician, semiotician, paediatrician, geometrician, redefinition, interposition, theoretician, arithmetician, nuclear fission

6 syllables:
boundary condition, econometrician, limited edition, reduction division, resident physician, writ of prohibition

7 syllables:
double decomposition, automatic transmission, missionary position, electrodeposition, secondary emission

8 syllables:
reciprocal inhibition

9 syllables:
atomic energy commission