fin vs aquatics

fin and aquatics both are nouns.

Word	Noun	Adjective	Verb	Adverb
fin	Yes	No	Yes	No
aquatics	Yes	No	No	No

fin (noun)	aquatics (noun)
organ of locomotion and balance in fishes and some other aquatic animals	sports that involve bodies of water
a stabilizer on a ship that resembles the fin of a fish
one of a set of parallel slats in a door or window to admit air and reject rain
a shoe for swimming; the paddle-like front is an aid in swimming (especially underwater)
one of a pair of decorations projecting above the rear fenders of an automobile
the cardinal number that is the sum of four and one

fin (verb)	aquatics (verb)
show the fins above the water while swimming
propel oneself through the water in a finning motion
equip (a car) with fins