Is declare a common noun

Answer 1

No, the word 'declare' is a verb, a word for an action.

Example: You have to declare the truthfulness of your testimony.

The noun forms for the verb to declare are declarer, declaration, and the gerund, declaring, all common nouns.

Answer 2

No, "declare" is a verb, specifically an action verb that expresses the act of making a formal or explicit statement. It is not a common noun, which typically refers to people, places, or things.