gannet vs booby

gannet and booby both are nouns.

Word	Noun	Adjective	Verb	Adverb
gannet	Yes	No	No	No
booby	Yes	No	No	No

As nouns, booby is a hyponym of gannet; that is, booby is a word with a more specific, narrower meaning than gannet:

gannet: large heavily built seabird with a long stout bill noted for its plunging dives for fish
booby: small tropical gannet having a bright bill or bright feet or both

Other hyponyms of gannet include solan, solan goose, solant goose, Sula bassana.

gannet (noun)	booby (noun)
large heavily built seabird with a long stout bill noted for its plunging dives for fish	small tropical gannet having a bright bill or bright feet or both
	an ignorant or foolish person