Here's what rhymes with plainiff.
def sniff whiff riff tiff stiff cliff skiff midriff hieroglyph Words that almost rhyme with plainiff
miss myth his this with give fish wish viz bis dish kiss dis amiss sieve diss hiss pith sis smith pis piss premiss remiss scythe writhed biz hes kith rive whiz writhe fizz shes abyss bliss dismiss quiz relive swish forgive outlive jellyfish reminisce forthwith therewith wherewith herewith monolith chandeliers silversmith cuttlefish corroborative nymph lymph