lined snake vs colubrid

lined snake and colubrid both are nouns.

Word	Noun	Adjective	Verb	Adverb
lined snake	Yes	No	No	No
colubrid	Yes	No	No	No

As nouns, colubrid is a hypernym of lined snake; that is, colubrid is a word with a broader meaning than lined snake:

lined snake: secretive snake of city dumps and parks as well as prairies and open woods; feeds on earthworms; of central United States
colubrid: mostly harmless temperate-to-tropical terrestrial or arboreal or aquatic snakes

Other hypernyms of lined snake include colubrid snake.

lined snake (noun)	colubrid (noun)
secretive snake of city dumps and parks as well as prairies and open woods; feeds on earthworms; of central United States	mostly harmless temperate-to-tropical terrestrial or arboreal or aquatic snakes