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