ally vs country

ally and country both are nouns.

Word	Noun	Adjective	Verb	Adverb
ally	Yes	No	Yes	No
country	Yes	No	No	No

As nouns, country is a hypernym of ally; that is, country is a word with a broader meaning than ally:

Other hypernyms of ally include body politic, commonwealth, land, nation, res publica, state.

ally (noun)	country (noun)
a friendly nation	a politically organized body of people under a single government
an associate who provides cooperation or assistance	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)

ally (verb)	country (verb)
become an ally or associate, as by a treaty or marriage