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