prerogative vs perquisite

prerogative and perquisite both are nouns.

Word	Noun	Adjective	Verb	Adverb
prerogative	Yes	No	No	No
perquisite	Yes	No	No	No

As nouns, prerogative and perquisite are synonyms defined as:

prerogative and perquisite: a right reserved exclusively by a particular person or group (especially a hereditary or official right)

Other synonyms of prerogative include exclusive right, privilege.

prerogative (noun)	perquisite (noun)
a right reserved exclusively by a particular person or group (especially a hereditary or official 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)