Here's what rhymes with sicilicus.
umbilicus Words that almost rhyme with sicilicus
silicates syllabus villainous synthesis diligence filaments vigilance frivolous chivalrous vividness fearlessness felicitous minimised tinnitus fickleness symbolise epitomised victimised bigamous epitomise indigenous stimulus wickedness dissonance limitless mischievous synchronous virulence militants sinfulness solicitous littleness minuteness singleness sycophants wilfulness fearfulness legitimised vertiginous visitants willfulness shiftlessness stigmatise equivocates skillfulness cheerlessness fitfulness witlessness ridiculous equivalence antithesis cheerfulness ligaments asynchronous dissidents gingivitis polygamous brittleness listlessness religiousness nimbleness infelicitous litigiousness winsomeness assiduousness cymbalists ambivalence equivalents meticulous omnipotence stimulants legitimates precipitants wistfulness ambitiousness blissfulness individuates timpanists magnificence articulates peristalsis religionists predicaments geosynchronous grandiloquence gesticulates ministrants nutritiousness surreptitiousness participants unambiguous abolitionists particulates coreligionists imprisonments exhibitionists repetitiousness coalitionists expeditiousness traditionalists prohibitionists conjunctivitis nonequivalents nonparticipants