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