land rail vs corncrake

land rail and corncrake both are nouns.

Word	Noun	Adjective	Verb	Adverb
land rail	Yes	No	No	No
corncrake	Yes	No	No	No

As nouns, land rail and corncrake are synonyms defined as:

land rail and corncrake: common Eurasian rail that frequents grain fields

Other synonyms of land rail include Crex crex.

land rail (noun)	corncrake (noun)
common Eurasian rail that frequents grain fields	common Eurasian rail that frequents grain fields