Here's what rhymes with whodunits.
subunits Words that almost rhyme with whodunits
summits budgets pundits davits junkets dhotis gussets russets subsets suffix publics lioness luscious spadix meninx sputniks sundecks whatsits fussbudgets subjects heretics culprits pertussis rustics aphasics huntress plumpness clevis cultists scentless muftis muralists odalisques solemnness injustice republics insipidus constricts drumsticks occultists prescripts alembics mentalists discomfits sextuplets subscripts portcullis executrix sculptress speleologists