Here's what rhymes with watercock.
cock gawk calk caulk talk clock rock shock walk hoc knock lock chalk dock mock hawk loc doc balk doch loch sock chock crock hock macaque pock bock jock mach wok choc stock block flock bloc stalk frock unlock proc smock squawk poppycock schlock backtalk ballcock shlock tomahawk interlock aftershock overstock shoptalk manioc antiknock hollyhock restock hammerlock windsock moonwalk sparrowhawk leafstalk electroshock laughingstock Words that almost rhyme with watercock
cog agog dog log fog bog hog clog grog jog jag wog dialogue frog epilogue blog demagogue smog flog pedagogue slog befog epilog unclog pedagog snog demagog defog catalogue analog synagogue analogue monologue underdog prolog monolog synagog sprog quahaug travelogue travelog pettifog cork conk dark mark park bark fork mosque pork torque shark lark quark barque hark marque porque manque watermark honk dork bonk nark uncork narc wank wonk spark stark stork bronc oligarch debark remark embark paperbark tidemark patriarch matriarch meadowlark fingermark disembark reembark