Partridge and Waterfowl

Partridge noun - Heavy-bodied small-winged South American game bird resembling a gallinaceous bird but related to the ratite birds.

Waterfowl and partridge are semantically related. In some cases you can use "Waterfowl" instead a noun "Partridge".

Waterfowl noun - Freshwater aquatic bird.

Partridge and waterfowl are semantically related. Sometimes you can use "Partridge" instead a noun "Waterfowl".