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