Here's what rhymes with approximate.
proximate Words that almost rhyme with approximate
consummate consulate parliament rearmament condiment prominent complement consequent consonant fraudulent novelist disarmament populist antioxidant biologist columnist geologist protestant apologist formalist somnolent urologist rottenest gemologist dominant confident continent communist commonest apportionment botanist cognizant pathologist corpulent neurologist zoologist ideologist anthologist congregant ethologist violoncellist predominant concomitant incompetent psychologist monopolist embryologist gynaecologist phrenologist graphologist futurologist gemmologist uncommonest incontinent entomologist reapportionment cosmologist seismologist escapologist anthropologist gynecologist bacteriologist musicologist contortionist parapsychologist endocrinologist anesthesiologist anaesthesiologist