Here's what rhymes with posthumus.
humus houmous houmus Words that almost rhyme with posthumus
blueness newness pumas tunas duennas satsumas vicunas lacunas lupus lulus useless mucous mucus prudence ruthless rudeness lewdness roofless rootless clueless glumness spruceness ulnas chukkas units fruitless nuisance coolness cubits eunuchs shrewdness aloofness fluence hubris toothless tulips tumults crudeness moonless bootless muteness truants cuteness humourless juleps mullets gullets cutups students movements mutants persecutions pollutants pursuance acuteness imprudence impudence smoothness disputants absoluteness astuteness avoirdupois congruous obtuseness scrofulous caduceus diffuseness dissoluteness coolants duellists abstruseness glamourous sublets hirsuteness manumits bouffants tuneups improvements jurisprudence amusements foodstuffs exiguous resoluteness annuitants intuits profuseness inducements canoeists quadruplets translucence irresoluteness