Impetus rhymes with:
calamitous, emeritus, equitas, felicitous, fremitus, gratuitous, gravitas, hippolytus, prophetess, riotous, solicitous
Impetus sounds like:
imbeds, impedes, impetuous, infatuates, infotech, inhabits, inhibits, innovates, inputs, invades, invidious, invitees, invites