Here's what rhymes with voluptuosum.
blossom possum opossum Words that almost rhyme with voluptuosum
caution cation soften rosin precaution tryptophan libation herniation macrocosm microcosm calumniation bottom column solemn forum balsam dorsum bonum foursome carom problem boredom decorum mortem quorum condom sorghum drachm nostrum rostrum wampum flotsam slalom cockscomb quantum falciparum metronome stardom thraldom thralldom gastronome postpartum sugarplum