Earth rhymes with:
berth, birth, dearth, firth, fuerth, furth, gerth, girth, hirth, kerth, kurth, mirth, perth, rebirth, unearth, wentworth, werth, wirth, worth, wurth
Earth sounds like:
eared, earhart, eartha, earthy, earwood, ehret, ehrhard, ehrhardt, ehrhart, erda, erhard, erhardt, erhart, erode, eroded, erred, errett, erte, ertha, erudite, ewart, ewert