Here's what rhymes with knownc.
donc Words that almost rhyme with knownc
plonk clonk oak folk smoke joke woke yoke choke coke yolk poke soak soc baulk toke hoke spoke broke awoke cloak evoke invoke baroque quoque bloke croak stoke unyoke stroke revoke menfolk convoke kinfolk uncloak provoke bespoke pibroch misspoke artichoke womenfolk gentlefolk masterstroke