Here's what rhymes with flavin.
riboflavin Words that almost rhyme with flavin
raving raisin raising saving racing waving craving paving shaving phrasing braving caving waiving facing placing bathing blazing gazing grazing spacing tracing basing bracing casing chasing pacing praising glazing scathing chafing erasing phasing plaything hazing strafing amazing engraving behaving appraising effacing replacing embracing displacing debasing overgrazing retracing interlacing paraphrasing statesmen salesmen