Lethal rhymes with:
nonlethal, nonlethal, barthel, benthall, bethel, bethell, bothell, brothel, cathell, ethel, ethyl, freudenthal, grethel, laubenthal, lilienthal, loewenthal, lowenthal, methyl, nonlethal, odenthal, pethel, pethtel, raithel, rathel, ruppenthal, southall, walthall
Lethal sounds like:
ladle, ladley, laidlaw, laidley, latella, lately, ledlow, ledwell, liddell, liddle, liedel, litle, littell, little, lodley, loudly, ludella, ludlow, lydall, lytle, lyttle