ray vs fin

ray and fin both are nouns.

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

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

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