common mood vs declarative

common mood and declarative both are nouns.

Word	Noun	Adjective	Verb	Adverb
common mood	Yes	No	No	No
declarative	Yes	Yes	No	No

As nouns, common mood and declarative are synonyms defined as:

common mood and declarative: a mood (grammatically unmarked) that represents the act or state as an objective fact

Other synonyms of common mood include declarative mood, fact mood, indicative, indicative mood.

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

common mood (adjective)	declarative (adjective)
	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