marine vs aquatic

marine and aquatic both are nouns.

Word	Noun	Adjective	Verb	Adverb
marine	Yes	Yes	No	No
aquatic	Yes	Yes	No	No

marine (noun)	aquatic (noun)
a soldier who serves both on shipboard and on land	a plant that lives in or on water

marine (adjective)	aquatic (adjective)
relating to or characteristic of or occurring on or in the sea	operating or living or growing in water
of or relating to the sea	relating to or consisting of or being in water
of or relating to military personnel who serve both on land and at sea (specifically the U.S. Marine Corps)
relating to or involving ships or shipping or navigation or seamen
native to or inhabiting the sea