vertical fin vs stabilizer

vertical fin and stabilizer both are nouns.

Word	Noun	Adjective	Verb	Adverb
vertical fin	Yes	No	No	No
stabilizer	Yes	No	No	No

As nouns, stabilizer is a hypernym of vertical fin; that is, stabilizer is a word with a broader meaning than vertical fin:

vertical fin: a stabilizer that is part of the vertical tail structure of an airplane
stabilizer: airfoil consisting of a device for stabilizing an aircraft

vertical fin (noun)	stabilizer (noun)
a stabilizer that is part of the vertical tail structure of an airplane	a device for making something stable
	airfoil consisting of a device for stabilizing an aircraft
	a chemical that is added to a solution or mixture or suspension to maintain it in a stable or unchanging state