country of origin vs native land

country of origin and native land both are nouns.

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

As nouns, country of origin and native land are synonyms defined as:

Other synonyms of country of origin include fatherland, homeland, mother country, motherland.

country of origin (noun)	native land (noun)
the country where you were born	the country where you were born