ally vs alliance

ally and alliance both are nouns.

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

ally (noun)	alliance (noun)
a friendly nation	the act of forming an alliance or confederation
an associate who provides cooperation or assistance	a formal agreement establishing an association or alliance between nations or other groups to achieve a particular aim
	an organization of people (or countries) involved in a pact or treaty
	a connection based on kinship or marriage or common interest
	the state of being allied or confederated

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