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