shorebird vs shore bird

shorebird and shore bird both are nouns.

Word	Noun	Adjective	Verb	Adverb
shorebird	Yes	No	No	No
shore bird	Yes	No	No	No

As nouns, shorebird and shore bird are synonyms defined as:

shorebird and shore bird: any of numerous wading birds that frequent mostly seashores and estuaries

Other synonyms of shorebird include limicoline bird.

shorebird (noun)	shore bird (noun)
any of numerous wading birds that frequent mostly seashores and estuaries	any of numerous wading birds that frequent mostly seashores and estuaries