Here's what rhymes with calumnious.
Words that almost rhyme with calumnious
lumpiness loveliness clumsiness funniness ruddiness grumpiness jumpiness lustiness sunniness bumpiness dumpiness rustiness luckiness illustrious fuzziness bulkiness fussiness sulkiness duskiness dustiness huskiness muddiness mustiness crustiness mugginess nuttiness fustiness muskiness muzziness pluckiness pudginess klutziness unluckiness smuttiness industrious