solitaire vs columbiform bird

solitaire and columbiform bird both are nouns.

Word	Noun	Adjective	Verb	Adverb
solitaire	Yes	No	No	No
columbiform bird	Yes	No	No	No

As nouns, columbiform bird is a hypernym of solitaire; that is, columbiform bird is a word with a broader meaning than solitaire:

solitaire: extinct flightless bird related to the dodo
columbiform bird: a cosmopolitan order of land birds having small heads and short legs with four unwebbed toes

solitaire (noun)	columbiform bird (noun)
a card game played by one person	a cosmopolitan order of land birds having small heads and short legs with four unwebbed toes
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