grammar vs future

grammar and future both are nouns.

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

grammar (noun)	future (noun)
the branch of linguistics that deals with syntax and morphology (and sometimes also deals with semantics)	bulk commodities bought or sold at an agreed price for delivery at a specified future date
	a verb tense that expresses actions or states in the future
	the time yet to come

grammar (adjective)	future (adjective)
	yet to be or coming
	a verb tense or other formation referring to events or states that have not yet happened
	(of elected officers) elected but not yet serving
	effective in or looking toward the future