Here's what rhymes with colish.
polish abolish smallish demolish Words that almost rhyme with colish
orris loris liquorice clitoris corporis wherefores offish garnish popish codfish longish modish ravish crawfish hawkish mawkish donnish cloddish garfish hoggish accomplish varnish tarnish snobbish dogfish largish waspish shortish sharpish warmish blokish astonish admonish starfish dwarfish swordfish blondish impoverish schoolmarmish