Here's what rhymes with similituda.
doodah barracuda Words that almost rhyme with similituda
tuba pupa stupa scuba tuna tua puma duenna chukka ua hua lacuna summa hula pukka supra sutra bazooka beluga louvre appaloosa fistula macula scrofula hallelujah helluva incunabula satsuma vicuna manoeuvre outmanoeuvre