declaratory vs declarative

declaratory is not a noun while declarative is a noun.

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

As adjectives, declaratory and declarative are synonyms defined as:

declaratory and declarative: relating to the use of or having the nature of a declaration

Other synonyms of declaratory include asserting.

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

declaratory (adjective)	declarative (adjective)
relating to the use of or having the nature of a declaration	relating to the use of or having the nature of a declaration
	relating to the mood of verbs that is used simple in declarative statements