Meleagris gallopavo vs fowl

Meleagris gallopavo and fowl both are nouns.

Word	Noun	Adjective	Verb	Adverb
Meleagris gallopavo	Yes	No	No	No
fowl	Yes	No	Yes	No

As nouns, fowl is a hypernym of Meleagris gallopavo; that is, fowl is a word with a broader meaning than Meleagris gallopavo:

Meleagris gallopavo: large gallinaceous bird with fan-shaped tail; widely domesticated for food
fowl: a domesticated gallinaceous bird thought to be descended from the red jungle fowl

Other hypernyms of Meleagris gallopavo include domestic fowl, poultry.

Meleagris gallopavo (noun)	fowl (noun)
large gallinaceous bird with fan-shaped tail; widely domesticated for food	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

Meleagris gallopavo (verb)	fowl (verb)
	hunt fowl in the forest
	hunt fowl