solitaire vs genus Pezophaps

solitaire and genus Pezophaps both are nouns.

Word	Noun	Adjective	Verb	Adverb
solitaire	Yes	No	No	No
genus Pezophaps	Yes	No	No	No

solitaire (noun)	genus Pezophaps (noun)
a card game played by one person	constituted by the extinct solitaire
a dull grey North American thrush noted for its beautiful song
extinct flightless bird related to the dodo
a gem (usually a diamond) in a setting by itself