Here's what rhymes with diagram.
gram lamb ram clam lam cram gramme yam glam dam damn diaphragm jam cam ham sham nam slam tam tram dram jamb pram buckram scram wham flambe exam telegram swam epigram anagram scam spam kilogram hologram milligram monogram cofferdam ideogram sonogram doorjamb pentagram grandam histogram diazepam quondam mammogram cablegram radiogram cardiogram centigram kissogram hexagram parallelogram electrocardiogram electroencephalogram Words that almost rhyme with diagram
ran clan rang yang gran lang langue clang lan can than man plan van hang ban fan gang pan sang tan bang dan shan slang bran kan kann nan pang san tang chang dann fang gan dang flan prang scan span sprang harangue rattan cyan outran saran rehang began caravan sedan divan overran japan shebang journeyman overhang boomerang anchorman bogeyman turbofan paperhanger boogeyman whizzbang businessman fisherman middleman catamaran nurseryman serviceman minivan radioman weatherman counterman minuteman orangutang assemblyman handyman newspaperman pleonasm