gallinacean vs fowl

gallinacean and fowl both are nouns.

Word	Noun	Adjective	Verb	Adverb
gallinacean	Yes	No	No	No
fowl	Yes	No	Yes	No

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

gallinacean: heavy-bodied largely ground-feeding domestic or game birds
fowl: a domesticated gallinaceous bird thought to be descended from the red jungle fowl

gallinacean (noun)	fowl (noun)
heavy-bodied largely ground-feeding domestic or game birds	a domesticated gallinaceous bird thought to be descended from the red jungle fowl
	the flesh of a bird or fowl (wild or domestic) used as food

gallinacean (verb)	fowl (verb)
	hunt fowl in the forest
	hunt fowl