Hignight rhymes with:
hignite, hignite, lignite, hignite, lignite, ammonite, basnight, bauknight, bentonite, canaanite, clintonite, finite, fortnight, franklinite, goodnight, hignite, lignite, limonite, maronite, masonite, mennonite, midnight, monzonite, newsnight, reaganite, samsonite, selenite, suburbanite, unite, urbanite, whitenight