Here's what rhymes with buttercup.
cup sup pup workup Words that almost rhyme with buttercup
cut gut cub cud but such what much judge sub touch club mud shut hut bud butt nut rub tub clutch grudge hub nought pub budge grub mot thud undercut crutch dub glut nudge putt rut tut uncut wot abut adjudge fudge jut mutt nub blood flood scrub shrub sludge stud stub slut snub begrudge drudge sloughed strut overmuch rebut somewhat coconut insomuch cusp gulp pump jump pulp lump bump dump clump hump rump thump sump plump stump slump trump