Here's what rhymes with knobbish.
snobbish Words that almost rhyme with knobbish
modish popish hoggish bodice dodges doges gouaches cloddish topis bodges wodges scotches mariachis hibachis corsages camouflages sabotages offish mawkish polish longish ravish smallish hawkish donnish abolish varnish demolish admonish garnish tarnish codfish crawfish dogfish largish waspish shortish garfish sharpish warmish blokish astonish starfish impoverish dwarfish swordfish blondish accomplish schoolmarmish