tail fin vs vertical stabilizer

tail fin and vertical stabilizer both are nouns.

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

As nouns, tail fin and vertical stabilizer are synonyms defined as:

tail fin and vertical stabilizer: a stabilizer that is part of the vertical tail structure of an airplane

Other synonyms of tail fin include tailfin, vertical fin, vertical stabiliser.

tail fin (noun)	vertical stabilizer (noun)
the tail of fishes and some other aquatic vertebrates	a stabilizer that is part of the vertical tail structure of an airplane
a stabilizer that is part of the vertical tail structure of an airplane
one of a pair of decorations projecting above the rear fenders of an automobile