Here's what rhymes with improva.
helluva Words that almost rhyme with improva
appaloosa ua pupa pukka louvre tuna hua summa tua hula puma tuba duenna beluga chukka doodah supra sutra lacuna macula stupa scuba bazooka fistula manoeuvre barracuda vicuna satsuma scrofula hallelujah incunabula outmanoeuvre