baldpate vs American widgeon

baldpate and American widgeon both are nouns.

Word	Noun	Adjective	Verb	Adverb
baldpate	Yes	No	No	No
American widgeon	Yes	No	No	No

As nouns, baldpate and American widgeon are synonyms defined as:

baldpate and American widgeon: a widgeon the male of which has a white crown

Other synonyms of baldpate include Anas americana.

baldpate (noun)	American widgeon (noun)
a widgeon the male of which has a white crown	a widgeon the male of which has a white crown
a person whose head is bald or shaved