Words That Rhyme With "Grub" :
1 syllable:
abb, bib, blab, blob, blood, blub, bob, bub, bud, Budd, bug, cab, chub, chug, club, clubbed, cob, Cobb, cub, cud, cup, dab, daub, daube, dib, doug, drub, dub, dubbed, dud, dug, dup, fab, fib, flab, flood, flub, fob, fug, gab, gib, glib, glob, gob, guib, haab, hob, hub, hud, hug, jab, jib, job, Judd, jug, kibbe, knob, kob, lab, lib, lob, lug, Mab, mib, mob, mud, mug, nab, nib, nob, nub, ob, plug, pub, pug, pup, rub, scab, scrub, scud, scup, shrub, sib, slab, slob, slub, slug, smug, snob, snub, snubbed, snug, sob, spud, squab, squib, stab, stob, stub, stubbed, stud, stupp, sub, subbed, sudd, sup, swab, swob, tab, thud, thug, tub, tug, ugh, up, yup, Zug
2 syllables:
bedaub, bestud, closeup, debug, demob, disbud, flubdub, homeclub, jelab, kabob, kebob, lulab, nawab, nightclub, prefab, Punjab, Rajab, rebab, serdab, unplug, washtub
3 syllables:
sillabub, syllabub, undershrub