Malathion rhymes with:
alteon, savion, absecon, acetosyringone, alteon, bergeron, calgon, crampon, decathlon, delaune, devaughn, doggone, einon, haton, incheon, inchon, jumbotron, kirwan, lieson, mouton, papon, ptyon, recon, rubicon, savion, savon, scaleatron, sephlon, styron, suon, teason
Malathion sounds like:
malden, malleton, maulden, mauldin, mealtime, melatonin, meldon, meltdown, melton, militiamen, milton, molden, molten, molton, moulden, moulton, muldoon, muldowney, multnomah