gar vs timucu

gar and timucu both are nouns.

Word	Noun	Adjective	Verb	Adverb
gar	Yes	No	No	No
timucu	Yes	No	No	No

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

gar: elongate European surface-dwelling predacious fishes with long toothed jaws; abundant in coastal waters
timucu: found in warm waters of western Atlantic

gar (noun)	timucu (noun)
primitive predaceous North American fish covered with hard scales and having long jaws with needlelike teeth	found in warm waters of western Atlantic
elongate European surface-dwelling predacious fishes with long toothed jaws; abundant in coastal waters