imperative vs imperative form

imperative and imperative form both are nouns.

Word	Noun	Adjective	Verb	Adverb
imperative	Yes	Yes	No	No
imperative form	Yes	No	No	No

As nouns, imperative and imperative form are synonyms defined as:

imperative and imperative form: a mood that expresses an intention to influence the listener's behavior

Other synonyms of imperative include imperative mood, jussive mood.

imperative (noun)	imperative form (noun)
some duty that is essential and urgent	a mood that expresses an intention to influence the listener's behavior
a verb in the imperative mood.
a mood that expresses an intention to influence the listener's behavior

imperative (adjective)	imperative form (adjective)
requiring attention or action
relating to verbs in the imperative mood