congratulate vs gloat

congratulate is not a noun while gloat is a noun.

Word	Noun	Adjective	Verb	Adverb
congratulate	No	No	Yes	No
gloat	Yes	No	Yes	No

As verbs, gloat is a hypernym of congratulate; that is, gloat is a word with a broader meaning than congratulate:

Other hypernyms of congratulate include crow, triumph.

congratulate (noun)	gloat (noun)
	malicious satisfaction

congratulate (verb)	gloat (verb)
say something to someone that expresses praise	dwell on with satisfaction
express congratulations	gaze at or think about something with great self-satisfaction, gratification, or joy
pride or congratulate (oneself) for an achievement
be proud of