charity vs zakat

charity and zakat both are nouns.

Word	Noun	Adjective	Verb	Adverb
charity	Yes	No	No	No
zakat	Yes	No	No	No

As nouns, zakat is a hyponym of charity; that is, zakat is a word with a more specific, narrower meaning than charity:

Other hyponyms of charity include handout.

charity (noun)	zakat (noun)
an activity or gift that benefits the public at large	the fourth pillar of Islam is almsgiving as an act of worship
a kindly and lenient attitude toward people
a foundation created to promote the public good (not for assistance to any particular individuals)
an institution set up to provide help to the needy
pinnate-leaved European perennial having bright blue or white flowers