Vehement rhymes with:
adamant, argument, armament, complement, condiment, detriment, diamant, disarmament, element, excrement, experiment, filament, impediment, implement, increment, instrument, integument, ligament, ornament, orpiment, parliament, predicament, rearmament, regiment, sacrament, sediment, sentiment, supplement, temperament, tenement, testament, tournament
Vehement sounds like:
vanatta, vande, vandehei, vandehey, vanity, vannatta, vannote, vanuatu, vaunted, vendee, vendetta, vendetti, venditti, vendo, venita, vent, vented, venti, vento, venuti, venuto, vienot, viewpoint, vinet, vinita, vint, vipond, vipont, vivendi, vomit, vonada