declarative vs interrogative

declarative and interrogative both are nouns.

Word	Noun	Adjective	Verb	Adverb
declarative	Yes	Yes	No	No
interrogative	Yes	Yes	No	No

declarative (noun)	interrogative (noun)
a mood (grammatically unmarked) that represents the act or state as an objective fact	a sentence of inquiry that asks for a reply
	some linguists consider interrogative sentences to constitute a mood

declarative (adjective)	interrogative (adjective)
relating to the use of or having the nature of a declaration	relating to the use of or having the nature of an interrogation
relating to the mood of verbs that is used simple in declarative statements	relating to verbs in the so-called interrogative mood