darter vs snakebird

darter and snakebird both are nouns.

Word	Noun	Adjective	Verb	Adverb
darter	Yes	No	No	No
snakebird	Yes	No	No	No

As nouns, darter and snakebird are synonyms defined as:

darter and snakebird: fish-eating bird of warm inland waters having a long flexible neck and slender sharp-pointed bill

Other synonyms of darter include anhinga.

darter (noun)	snakebird (noun)
a person or other animal that moves abruptly and rapidly	fish-eating bird of warm inland waters having a long flexible neck and slender sharp-pointed bill
fish-eating bird of warm inland waters having a long flexible neck and slender sharp-pointed bill