Here's what rhymes with shrub.
rub sub club tub hub pub scrub cub grub stub dub snub nub Words that almost rhyme with shrub
up flood sludge rut slut sloughed but such what much blood cut judge touch cup mud shut hut bud butt gut nut clutch grudge nought stud sup budge mot strut thud crutch cud glut nudge pup putt tut wot drudge fudge jut mutt smudge smut trudge rebut abut adjudge workup somewhat overmuch uncut begrudge insomuch coconut undercut bulb