zakat vs charity

zakat and charity both are nouns.

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

As nouns, charity is a hypernym of zakat; that is, charity is a word with a broader meaning than zakat:

Other hypernyms of zakat include pillar of Islam.

zakat (noun)	charity (noun)
the fourth pillar of Islam is almsgiving as an act of worship	an activity or gift that benefits the public at large
	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