Suspension rhymes with:
pension, apprehension, ascension, attention, comprehension, condescension, contention, convention, detention, dimension, dissension, extension, gentian, henschen, hypertension, hypotension, invention, laurentian, mention, misapprehension, pension, pretension, prevention, reinvention, retention, tension
Suspension sounds like:
submachine, submission, svenson, svensson