country vs native land

country and native land both are nouns.

Word	Noun	Adjective	Verb	Adverb
country	Yes	No	No	No
native land	Yes	No	No	No

As nouns, native land is a hyponym of country; that is, native land is a word with a more specific, narrower meaning than country:

country (noun)	native land (noun)
a politically organized body of people under a single government	the country where you were born
the people who live in a nation or country
the territory occupied by a nation
an area outside of cities and towns
a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography)