indicative vs indicate

indicative is a noun but indicate is not a noun.

Word	Noun	Adjective	Verb	Adverb
indicative	Yes	Yes	No	No
indicate	No	No	Yes	No

indicative (noun)	indicate (noun)
a mood (grammatically unmarked) that represents the act or state as an objective fact

indicative (adjective)	indicate (adjective)
relating to the mood of verbs that is used simple in declarative statements
(usually followed by `of') pointing out or revealing clearly

indicative (verb)	indicate (verb)
	to state or express briefly
	be a signal for or a symptom of
	give evidence of
	indicate a place, direction, person, or thing; either spatially or figuratively
	suggest the necessity of an intervention; in medicine