Dartt rhymes with:
dart, ahart, apart, art, bart, bossart, cart, carte, chart, dart, depart, descartes, fart, goulart, hardt, hart, harte, hartt, heart, impart, k-mart, kabart, mahrt, mart, marte, mccart, mccartt, part, parte, restart, schardt, smart, smartt, start, tart, tarte, tartt
Dartt sounds like:
dared, darity, dart, darted, darth, darty, dearth, dehart, dehydrate, dehydrated, derida, deride, derided, derward, deteriorate, deteriorated, deterred, detert, detoured, detroit, dewaard, dewart, deweerd, diehard, diorite, dirt, dirty, doherty, dorado, dorette, doretti, dority, dorotea, dorothea, dorothy, dort, dorta, dorthea, dorthy, dorward, dorwart, drawdy, dread, dreaded, dred, dredd, drewett, dried, droddy, druid, duarte, duhart, durette, durrett, durward