Raters rhymes with:
craters, curator's, freighters, traitors, batres, caters, craters, creators, curator's, debaters, debator's, dictators, equators, freighters, gators, haters, skaters, slater's, slaters, stater's, staters, traitors, translators, waiter's, waiters
Raters sounds like:
radars, radiators, raider's, raiders, raiders', rather's, reader's, readers, readers', reauthorize, redress, reeders, reiders, reiders', retiree's, retirees, retirees', retires, retrace, reuter's, reuters, reuters', reuters's, rhetoric, ridder's, rider's, riders, rieders, rieders', rioters, ritter's, roadwork, roderica, roderick, roderick's, rodrick, rodrigeuz, rodrigo, rodrigue, rodrigues, rodriguez, rodriguez's, rodriques, rodriquez, rooters, rothrock, rotors, rotruck, routers, ruder's, ryder's