Vicissitude rhymes with:
argued, continued, discontinued, gergrude, gertrud, gertrude, issued, mahmood, mahmoud, mahmud, overvalued, reissued, rescued, revalued, undervalued, valued
Vicissitude sounds like:
vacate, vacated, vaguest, vajda, vashti, vast, vasta, vaught, vegetate, vest, vesta, vested, vexed, viscosity, visigoth, visit, visited, vist, vista, voest, voght, vogt, voiced, voight, voigt, vojta, vouched, vought, voyaged