Words That Rhyme With "Lengthen" :

2 syllables:

Benson, Bentham, gentian, Henson, Jensen, Jenson, mention, pension, sensum, stemson, strengthen, tension

3 syllables:

abstention, ascension, attention, contention, convention, descension, detention, dimension, dissension, distention, extension, indention, intension, intention, invention, obtention, prehension, pretension, prevention, recension, retention, subvention, suspension, sustention

4 syllables:

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

5 syllables:

hyperextension, inapprehension, incomprehension, misapprehension, nonintervention