Here's what rhymes with spitup.
situp Words that almost rhyme with spitup
pitted spitted fitted digit knitted flitted tippet twitted kitted admitted permitted omitted rigid submitted emitted quitted frigid gritted midget skidded snippet whippet committed acquitted scilicet dimwitted inhibit prohibit recommitted bishop pickup pinup stickup buildup fillip sirup hiccough hiccup hyssop linkup chinstrap archbishop