Words That Rhyme With "Undermentioned" :

2 syllables:

Benson, freshened, gentian, Henson, Jensen, Jenson, lengthened, mentioned, penchant, pennant, pension, sentient, strengthened, tenant, tension, trenchant, venomed

3 syllables:

abstention, ascension, assentient, attention, consentient, contention, contentioned, convention, cotenant, declension, descension, detention, dissension, dissentient, distention, extension, indention, intension, intention, intentioned, invention, lieutenant, obtention, prehension, presentient, pretension, prevention, recension, retention, subtenant, subvention, suspension, sustention

4 syllables:

aforementioned, apprehension, circumvention, coextension, comprehension, condescension, contravention, hypertension, hypotension, inattention, intervention, reconvention, reinvention, reprehension, sublieutenant

5 syllables:

hyperextension, inapprehension, incomprehension, misapprehension, nonintervention