Buddhism vs faith

Buddhism and faith both are nouns.

Word	Noun	Adjective	Verb	Adverb
Buddhism	Yes	No	No	No
faith	Yes	No	No	No

As nouns, faith is a hypernym of Buddhism; that is, faith is a word with a broader meaning than Buddhism:

Buddhism: the teaching of Buddha that life is permeated with suffering caused by desire, that suffering ceases when desire ceases, and that enlightenment obtained through right conduct and wisdom and meditation releases one from desire and suffering and rebirth
faith: a strong belief in a supernatural power or powers that control human destiny

Other hypernyms of Buddhism include religion, religious belief.

As nouns, faith is a hypernym of Buddhism; that is, faith is a word with a broader meaning than Buddhism:

Buddhism: a religion represented by the many groups (especially in Asia) that profess various forms of the Buddhist doctrine and that venerate Buddha
faith: an institution to express belief in a divine power

Other hypernyms of Buddhism include organized religion, religion.

Buddhism (noun)	faith (noun)
the teaching of Buddha that life is permeated with suffering caused by desire, that suffering ceases when desire ceases, and that enlightenment obtained through right conduct and wisdom and meditation releases one from desire and suffering and rebirth	loyalty or allegiance to a cause or a person
a religion represented by the many groups (especially in Asia) that profess various forms of the Buddhist doctrine and that venerate Buddha	a strong belief in a supernatural power or powers that control human destiny
	complete confidence in a person or plan etc
	an institution to express belief in a divine power