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