Longlegs and Shorebird

Longlegs noun - Long-legged three-toed black-and-white wading bird of inland ponds and marshes or brackish lagoons.

Shorebird and longlegs are semantically related. In some cases you can use "Shorebird" instead a noun "Longlegs".

Shorebird noun - Any of numerous wading birds that frequent mostly seashores and estuaries.

Longlegs and shorebird are semantically related. Sometimes you can replace term "Longlegs" with "Shorebird", this nouns are similar.