grammar vs passive

grammar and passive both are nouns.

Word	Noun	Adjective	Verb	Adverb
grammar	Yes	No	No	No
passive	Yes	Yes	No	No

grammar (noun)	passive (noun)
the branch of linguistics that deals with syntax and morphology (and sometimes also deals with semantics)	the voice used to indicate that the grammatical subject of the verb is the recipient (not the source) of the action denoted by the verb

grammar (adjective)	passive (adjective)
	lacking in energy or will
	expressing that the subject of the sentence is the patient of the action denoted by the verb
	peacefully resistant in response to injustice