Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Ancient Greek πλαγκτός
Ancient Greek πλάζω (mention)

English plankton (derived)
English phytoplankton (mention)
German Plankton (derived)
Spanish plancton (mention)
Irish planctón (derived)
Ancient Greek παλίμπλαγκτος (affix)
Norwegian Bokmål plankton (derived)
Norwegian Nynorsk plankton (derived)