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