plankton vs being

plankton and being both are nouns.

Word	Noun	Adjective	Verb	Adverb
plankton	Yes	No	No	No
being	Yes	No	No	No

As nouns, being is a hypernym of plankton; that is, being is a word with a broader meaning than plankton:

plankton: the aggregate of small plant and animal organisms that float or drift in great numbers in fresh or salt water
being: a living thing that has (or can develop) the ability to act or function independently

Other hypernyms of plankton include organism.

plankton (noun)	being (noun)
the aggregate of small plant and animal organisms that float or drift in great numbers in fresh or salt water	a living thing that has (or can develop) the ability to act or function independently
	the state or fact of existing