fringe benefit vs perquisite

fringe benefit and perquisite both are nouns.

Word	Noun	Adjective	Verb	Adverb
fringe benefit	Yes	No	No	No
perquisite	Yes	No	No	No

As nouns, fringe benefit and perquisite are synonyms defined as:

fringe benefit and perquisite: an incidental benefit awarded for certain types of employment (especially if it is regarded as a right)

Other synonyms of fringe benefit include perk.

fringe benefit (noun)	perquisite (noun)
an incidental benefit awarded for certain types of employment (especially if it is regarded as a right)	a right reserved exclusively by a particular person or group (especially a hereditary or official right)
	an incidental benefit awarded for certain types of employment (especially if it is regarded as a right)