Ravenous rhymes with:
givenness, androgynous, asynchronous, bituminous, brazenness, chitinous, deaconess, exogenous, gelatinous, givenness, gluttonous, homogenous, indigenous, larcenous, luminous, membranous, monotonous, mountainous, mutinous, nitrogenous, nonpoisonous, oleaginous, ominous, outspokenness, patroness, poisonous, polygynous, ruinous, tetanus, titinus, uranus, villainous, voluminous
Ravenous sounds like:
rabin's, rabobank, raping, rappahannock, rapping, ravens, ravin's, ravines, raving, ravinous, ravinus, reaping, rebuffing, refenes, refinance, refinances, refines, refining, refinish, reopening, reopens, repaying, repinski, reponse, revenge, revenues, reviewing, reviving, revving, ribbing, ribbons, riffing, ripening, ripping, robbing, robbins, robin's, robins, robins', robins's, roofing, roping, roving, rovings, rubbing, rubens, rubin's, ruffing, rybinski