Here's what rhymes with extrasystole.
pole bowl poll stole toll dole bole boll tole dolour whole role soul coal goal hole roll sole fol mole parole stroll knoll shoal systole droll extol foal thole troll vole kohl prole extoll skoal scroll cajole maypole patrol glycerol enroll casserole vacuole petiole unroll bedroll condole oriole rissole innersole control arteriole camisole cubbyhole beanpole profiterole quadrupole buttonhole pigeonhole decontrol