Here's what rhymes with diagnoser.
poser composer imposer proposer disposer Words that almost rhyme with diagnoser
nosher closer closure clover grocer grosser kosher gopher loafer rover crozier gofer gaucher loather moreover composure drover allover exposure disclosure enclosure inclosure flyover foreclosure nondisclosure discomposure overexposure greengrocer underexposure motor knower moder mower moaner moper lower solar donor polar sober roller rotor voter nobler poker grower smoker bowler loader coder dolor gaoler goer joker kroner kronor loner moulder poacher sower toner cloture homer molder rower boater choker comber roper boner groper loaner doper doter honer moldier molter mouldier moulter shoulder soldier holder slower broker folder promoter boulder colder poster bolder blower coaster encoder remoter stoker thrower toaster boaster clothier floater roaster bowlder smolder smoulder bloater hoaxer stoner droller ignobler cajoler jolter proner coaxer intoner bipolar controller bolster mediocre sarcoma comptroller decoder holster imposture locomotor misnomer psychomotor stroller upholder imposter playgoer pollster roadster nonsmoker provoker nonvoter goldener plonker beholder vasomotor oculomotor unipolar interloper pawnbroker paternoster servomotor moviegoer pardoner marathoner titleholder upholster snowblower transpolar winegrower concertgoer telephoner racegoer arteriolar officeholder placeholder sensorimotor policyholder flamethrower theatregoer reupholster