Here's what rhymes with grunth.
month Words that almost rhyme with grunth
runs glans wrens once ones guns sons lungs tons nuns crumbs tonnes suns amours buns puns rungs dunce scions shuns duns khans morons tuns rums comes sums drums tongues gums slums plums thumbs bums chums hums reruns mums numbs outruns stuns tums overruns serums shoguns becomes succumbs megatons overcomes breadcrumbs