latter vs former

latter and former both are nouns.

Word	Noun	Adjective	Verb	Adverb
latter	Yes	Yes	No	No
former	Yes	Yes	No	No

latter (noun)	former (noun)
the second of two or the second mentioned of two	the first of two or the first mentioned of two

latter (adjective)	former (adjective)
referring to the second of two things or persons mentioned (or the last one or ones of several)	referring to the first of two things or persons mentioned (or the earlier one or ones of several)
	belonging to the distant past
	belonging to some prior time
	(used especially of persons) of the immediate past