2 syllables:
-mycin, bison, brycen, bryson, by sin, by sun, dysan, dyson, eisen, eisin, geisen, glycin, glycine, greisen, hyson, ice in, liason, lysin, meissen, mice in, mycin, my sin, my son, neisen, nicen, nice in, price in, reisen, rice in, seisin, theisen, theissen, thysen, thyssen, thy son, twice in, tyson, vice in, weisen

3 syllables:
abscisin, advice in, capsicin, device in, e-mycin, ecdysone, entgleisen, felleisen, precise in, sumycin, vereisen

4 syllables:
achromycin, albamycin, annamycin, anthramycin, antimycin, bison bison, bleomycin, calcimycin, carbomycin, cephamycin, clindamycin, daptomycin, daunomycin, declomycin, fosfomycin, frelinghuysen, garamycin, genus bison, ilotycin, josamycin, kanamycin, lincomycin, mithramycin, mutamycin, mycomycin, natamycin, neomycin, pactamycin, paradisean, plicamycin, puromycin, rapamycin, rifamycin, rutamycin, spiramycin, streptomycin, streptothricin, tautomycin, terramycin, theodicean, thienamycin, tobramycin, vancomycin, vibramycin, viomycin

5 syllables:
actinomycin, adriamycin, anisomycin, aureomycin, azithomycin, azithromycin, bafilomycin, cephaloglycin, clarithromycin, dactinomycin, echinomycin, enviomycin, erythromycin, ionomycin, kasugamycin, lucensomycin, neil degrasse tyson, oligomycin, paromomycin, pediamycin, porfiromycin, roxithromycin, spectinomycin, tunicamycin, valinomycin, virginiamycin

6 syllables:
american bison, oleandomycin, troleandomycin

7 syllables:
dihydrostreptomycin

8 syllables:
20-hydroxyecdysone

10 syllables:
triacetyloleandomycin

2 syllables:
frisian, fission, lycian, titian, stiffen, griffon, vision, driven, risen, mizzen, whitsun, prison, tisane, mission, writhen, sivan, given, gryphon, drive-in, drive in, live in

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, arisen, 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, imprison, detrition, tactician, permission

4 syllables:
saurischian, deglutition, in condition, dietitian, inhibition, apposition, ammunition, imposition, ornithischian, composition, malnutrition, cell division, imbibition, coalition, field emission, phase transition, 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, 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, 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