Here's what rhymes with extracavernous.
cavernous Words that almost rhyme with extracavernous
cancerous glamorous clamorous cankerous daiquiris hazardous backwardness rapturous languorous rancorous saturates precancerous clangorous maturates handkerchiefs slanderous satirists pastorates cantankerous noncancerous nonhazardous supersaturates polyunsaturates