grammar vs infinite

grammar and infinite both are nouns.

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

grammar (noun)	infinite (noun)
the branch of linguistics that deals with syntax and morphology (and sometimes also deals with semantics)	the unlimited expanse in which everything is located

grammar (adjective)	infinite (adjective)
	having no limits or boundaries in time or space or extent or magnitude
	(of verbs) not having tense, person, or number (as a participle or gerund or infinitive)
	total and all-embracing
	too numerous to be counted