Chemlawn rhymes with:
fair-lawn, fairlawn, kulon, mahlon, roselawn, skylawn, anton, arabichon, arabicon, avignon, bygone, cabletron, cinnabon, coupon, fair-lawn, fairlawn, kingon, kulon, mahlon, marienbonn, mastodon, regeneron, roselawn, sandon, saskatchewan, schiferon, skylawn, woebegone
Chemlawn sounds like:
chameleon, conlan, conlin, conlon