gloat vs congratulate

gloat is a noun but congratulate is not a noun.

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

As verbs, congratulate is a hyponym of gloat; that is, congratulate is a word with a more specific, narrower meaning than gloat:

Other hyponyms of gloat include preen.

gloat (noun)	congratulate (noun)
malicious satisfaction

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