Dearth rhymes with:
berth, birth, earth, firth, fuerth, furth, gerth, girth, hirth, kerth, kurth, mirth, perth, rebirth, unearth, wentworth, werth, wirth, worth, wurth
Dearth sounds like:
dared, darity, dart, darted, darth, dartt, darty, 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