alignment vs ally

alignment and ally both are nouns.

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

alignment (noun)	ally (noun)
the act of adjusting or aligning the parts of a device in relation to each other	a friendly nation
the spatial property possessed by an arrangement or position of things in a straight line or in parallel lines	an associate who provides cooperation or assistance
(astronomy) apparent meeting or passing of two or more celestial bodies in the same degree of the zodiac
an organization of people (or countries) involved in a pact or treaty

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