Riposte rhymes with:
post, boast, coast, coste, diagnosed, droste, engrossed, ghost, grossed, host, ivory-coast, khost, most, ost, post, roast, toast, toste, voest, woeste, yoast, yost
Riposte sounds like:
rapeseed, rapist, ravaged, rebooked, rebuked, refocused, refused, repackaged, repacked, repossessed, revised, revisit, revisited, revoked, rhapsody, rivest, robichaud, robust, robusta