Here's what rhymes with horribilus.
libelous Words that almost rhyme with horribilus
riotous litheness violence violets vaginalis ileitis privatise blitheness righteousness psoriasis archdiocese chitinous finalists giantess nihilists quietus lifelessness satyriasis piousness spiciness quietness mindfulness nonviolence sidedness timelessness viaducts guilelessness spitefulness skilfulness tirelessness childlessness mindlessness spinelessness recitalists impiousness psychiatrists lopsidedness environments entitlements podiatrists