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