fin vs ray

fin and ray both are nouns.

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

fin (noun)	ray (noun)
organ of locomotion and balance in fishes and some other aquatic animals	cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins
a stabilizer on a ship that resembles the fin of a fish	any of the stiff bony spines in the fin of a fish
one of a set of parallel slats in a door or window to admit air and reject rain	the syllable naming the second (supertonic) note of any major scale in solmization
a shoe for swimming; the paddle-like front is an aid in swimming (especially underwater)	a column of light (as from a beacon)
one of a pair of decorations projecting above the rear fenders of an automobile	a group of nearly parallel lines of electromagnetic radiation
the cardinal number that is the sum of four and one	a branch of an umbel or an umbelliform inflorescence
	(mathematics) a straight line extending from a point

fin (verb)	ray (verb)
show the fins above the water while swimming	expose to radiation
propel oneself through the water in a finning motion	extend or spread outward from a center or focus or inward towards a center
equip (a car) with fins	emit as rays