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