Kingon rhymes with:
anton, arabichon, arabicon, avignon, bygone, cabletron, chemlawn, cinnabon, coupon, fair-lawn, fairlawn, kulon, mahlon, marienbonn, mastodon, regeneron, roselawn, sandon, saskatchewan, schiferon, skylawn, woebegone
Kingon sounds like:
kansan, kansian, kazanjian, kenison, kennison, keynesian, kincannon, kinchen, kingen, kingham, kingma, kingman, kingsun, kinnison, kinsman, konecny, konieczny, konzen, kunsman, kunzman, kyoung-min