Here's what rhymes with setup.
letup Words that almost rhyme with setup
fetid headed edit ebbed petted ketchup catsup foetid threaded wedded shredded credit indebted hotheaded bareheaded curettage accredit lightheaded unleaded boneheaded fatheaded discredit intrepid noncredit muddleheaded sarape checkup flareup eggcup develop envelop redevelop overdevelop