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