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