locality vs vicinity

locality and vicinity both are nouns.

Word	Noun	Adjective	Verb	Adverb
locality	Yes	No	No	No
vicinity	Yes	No	No	No

As nouns, locality and vicinity are synonyms defined as:

Other synonyms of locality include neck of the woods, neighborhood, neighbourhood.

locality (noun)	vicinity (noun)
a surrounding or nearby region	a surrounding or nearby region