partridge vs wildfowl

partridge and wildfowl both are nouns.

Word	Noun	Adjective	Verb	Adverb
partridge	Yes	No	No	No
wildfowl	Yes	No	No	No

As nouns, wildfowl is a hypernym of partridge; that is, wildfowl is a word with a broader meaning than partridge:

partridge (noun)	wildfowl (noun)
small Old World gallinaceous game birds	flesh of any of a number of wild game birds suitable for food
a popular North American game bird; named for its call
valued as a game bird in eastern United States and Canada
heavy-bodied small-winged South American game bird resembling a gallinaceous bird but related to the ratite birds
flesh of either quail or grouse