Here's what rhymes with completer.
liter praetor meter heater beater neater peter teeter cheater politer dieter fleeter greeter tweeter sweeter repeater defeater skeeter millimeter milliliter servitor deciliter eggbeater discreeter windcheater centiliter centimeter gravimeter Words that almost rhyme with completer
leader reader preacher breeder reaper pleader bleeder bleacher lieder bleeper teacher feature creature deeper cheaper keeper cedar feeder sleeper creeper wieder beeper ceder peeper seeder weeder weeper kneader procedure steeper sweeper newsreader speeder calliper beseecher headteacher impeacher stockbreeder dreamer briefer breather leaner bleaker lemur reamer reefer leaver liefer leaser neither fever seizure weaker believer dealer beaver cleaner femur freer hearer meager beaker cantilever dieser freezer healer keener seeker weaver greener meaner unbeliever vivre sealer streamer cleaver feeler intriguer teaser creamer geezer greaser peeler vizor beleaguer gleaner heaver meeker sleeker wiener charier griever slyer streaker fleecer serer sheerer chiefer uncleaner meagerer senior speaker receiver steamer demeanor deceiver perceiver redeemer sr denier feebler fielder retriever teamster achiever convener osier reliever schemer wielder convenor serener sneaker appeaser besieger concealer northeaster screamer beguiler benigner gamier naiver tonier untidier obscener tangier mealier ashier uniquer clayier podgier consignor transceiver nonbeliever overeager sightseer extremer squeezer underachiever costumier gaudier southeaster speedster squeaker talebearer mangier newsdealer brainteaser caviler foreseer phonier zanier pastier winier unwieldier fernier snarkier overseer misdemeanor disbeliever monsignor seignior overachiever unlovelier tranquiler unhandier pronuclear squishier