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