tail fin vs vertical stabiliser

tail fin and vertical stabiliser both are nouns.

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

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

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

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

tail fin (noun)	vertical stabiliser (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