Here's what rhymes with planktonische.
donnish astonish admonish Words that almost rhyme with planktonische
longish rawness macadamised swamis macadamise tsunamis polish popish tarnish abolish varnish garnish modish ravish crawfish dogfish hawkish mawkish blondish cloddish hoggish blokish demolish starfish codfish smallish snobbish dwarfish largish waspish shortish garfish sharpish warmish impoverish swordfish accomplish schoolmarmish