gull vs betray

gull is a noun but betray is not a noun.

Word	Noun	Adjective	Verb	Adverb
gull	Yes	No	Yes	No
betray	No	No	Yes	No

As verbs, betray is a hypernym of gull; that is, betray is a word with a broader meaning than gull:

Other hypernyms of gull include deceive, lead astray.

gull (noun)	betray (noun)
mostly white aquatic bird having long pointed wings and short legs
a person who is gullible and easy to take advantage of

gull (verb)	betray (verb)
fool or hoax	give away information about somebody
make a fool or dupe of	reveal unintentionally
	cause someone to believe an untruth
	disappoint, prove undependable to; abandon, forsake
	deliver to an enemy by treachery
	be sexually unfaithful to one's partner in marriage