Cosper rhymes with:
prosper, trosper, asper, buspar, caspar, casper, crisper, desper, esper, gaspar, gasper, glasper, hesper, jasper, jesper, kaspar, kasper, prosper, trosper, vesper, whisper
Cosper sounds like:
cabrera, cafaro, caffery, caffrey, cafiero, caper, capper, capra, capraro, capri, caprio, casebeer, casebier, caspar, casper, caver, caviar, cease-fire, ceasefire, cepero, chaparro, chauffeur, chavarria, chavira, cheaper, cheever, chesbro, chesebro, chevrier, chipper, choper, chopper, chopra, cibro, cifra, cipher, cipri, cobra, cobre, cofer, coffaro, coffer, cooper, coover, copher, copier, copper, coppery, copra, couper, cover, cowper, cyber, cypher