turtledove vs ringdove

turtledove and ringdove both are nouns.

Word	Noun	Adjective	Verb	Adverb
turtledove	Yes	No	No	No
ringdove	Yes	No	No	No

As nouns, ringdove is a hyponym of turtledove; that is, ringdove is a word with a more specific, narrower meaning than turtledove:

turtledove: any of several Old World wild doves
ringdove: greyish Old World turtledove with a black band around the neck; often caged

Other hyponyms of turtledove include Streptopelia turtur, Streptopelia risoria.

turtledove (noun)	ringdove (noun)
any of several Old World wild doves	greyish Old World turtledove with a black band around the neck; often caged
small Australian dove	Eurasian pigeon with white patches on wings and neck