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