baksheesh vs gratuity

baksheesh and gratuity both are nouns.

Word	Noun	Adjective	Verb	Adverb
baksheesh	Yes	No	No	No
gratuity	Yes	No	No	No

As nouns, baksheesh and gratuity are synonyms defined as:

baksheesh and gratuity: a relatively small amount of money given for services rendered (as by a waiter)

Other synonyms of baksheesh include backsheesh, bakshis, bakshish, pourboire, tip.

baksheesh (noun)	gratuity (noun)
a relatively small amount of money given for services rendered (as by a waiter)	a relatively small amount of money given for services rendered (as by a waiter)
	an award (as for meritorious service) given without claim or obligation