Here's what rhymes with gruff.
rough ruff luff tough bluff buff cuff puff slough fluff huff muff duff scruff guff enough stuff snuff rebuff scuff Words that almost rhyme with gruff
of us love rush crush glove lush luv does thus plus bus brush dove flush pus blush fuss hush truss buzz plush shove thrush gush mus mush muss slush breve cuss fuzz nus above thereof whereof hereof schemas twas beauteous fewness discuss hairbrush underbrush minibus superfluous mellifluous gulf engulf