Words That Rhyme With "Expansion" :

2 syllables:

Annan, annen, annum, Anson, anthem, ashen, Brannon, Branson, cannon, canon, canson, cashen, chanson, damson, fanon, fashion, Gannon, gentian, granum, handsome, Hansen, hansom, Hanson, Hansson, Jansen, mannen, mansion, Manson, mention, Nansen, ransom, ration, Samson, scansion, Shannon, stanchion, stannum, tanen, tension, transient, transom

3 syllables:

ascension, Asuncion, attention, Buchanan, Circassian, colcannon, contention, convention, declension, descension, detention, dimension, dissension, distention, exanthem, extension, Guianan, indention, intension, invention, Montanan, obtention, prehension, pretension, prevention, recension, retention, subvention, sustention, unhandsome, Wakashan

4 syllables:

amianthine, apprehension, coextension, comprehension, condescension, hypertension, hypotension, nomocanon, reconvention, reinvention, reprehension

5 syllables:

hyperextension, inapprehension, incomprehension, misapprehension, overexpansion