Words That Rhyme With "Stiffen" :
2 syllables:
biffin, bisson, christen, Clifton, crissum, deafen, driven, fission, frison, given, glisten, grafen, griffin, griffon, gryphon, hyphen, kitchen, lissom, lissome, listen, mission, mithan, mithun, muffin, Nisan, offen, often, puffin, riven, roughen, scission, siphon, Sison, Sivan, sniffen, soften, striven, syphon, thissen
3 syllables:
addition, admission, aglisten, alyssum, ambition, attrition, audition, clinician, cognition, coition, commission, condition, contrition, demission, detrition, discission, dismission, Domitian, edition, emission, forgiven, fruition, ignition, lenition, logician, magician, Mcguffin, metrician, monition, munition, musician, nutrition, nutritionary, omission, patrician, perdition, permission, physician, position, rechristen, recission, remission, rendition, rubrician, sedition, submission, suspicion, technician, tradition, transition, transmission, tuition, vendition, volition
4 syllables:
abolition, abolitionary, admonition, ammunition, apparition, apposition, coalition, composition, decommission, definition, demolition, deposition, disposition, ebullition, electrician, emollition, erudition, exhibition, expedition, exposition, extradition, ibuprofen, imbibition, imposition, inanition, inhibition, innutrition, intermission, intromission, intuition, malnutrition, manumission, mechanician, micturition, obstetrician, opposition, parturition, photofission, postposition, preadmission, precognition, precondition, predormition, preignition, premonition, preposition, preterition, pretermission, prohibition, proposition, recognition, recondition, redhibition, reposition, retransmission, rhetorician, subaudition, supposition, thermosiphon, transposition, unforgiven
5 syllables:
academician, autoignition, biometrician, contraposition, decomposition, disinhibition, geometrician, geriatrician, indisposition, interposition, juxtaposition, misrecognition, nonrecognition, paediatrician, pediatrician, photoemission, photometrician, predisposition, presupposition, recomposition, redefinition, redeposition, reimposition, superaddition, undernutrition, vomiturition
6 syllables:
counterproposition, econometrician, electrotechnician, photocomposition, superimposition