performative verb vs verb

performative verb and verb both are nouns.

Word	Noun	Adjective	Verb	Adverb
performative verb	Yes	No	No	No
verb	Yes	No	No	No

As nouns, verb is a hypernym of performative verb; that is, verb is a word with a broader meaning than performative verb:

performative verb: A verb that explicitly conveys the kind of speech act being performed.
verb: a content word that denotes an action, occurrence, or state of existence

performative verb (noun)	verb (noun)
A verb that explicitly conveys the kind of speech act being performed.	a content word that denotes an action, occurrence, or state of existence
	the word class that serves as the predicate of a sentence