Gallinule and Land rail

Gallinule noun - Any of various small aquatic birds of the genus Gallinula distinguished from rails by a frontal shield and a resemblance to domestic hens.

Land rail and gallinule are semantically related. In some cases you can replace phrase "Land rail" with "Gallinule", this terms are similar.

Land rail noun - Common Eurasian rail that frequents grain fields.

Gallinule and land rail are semantically related. You can use "Gallinule" instead a noun phrase "Land rail".