"After" is most often a preposition. It can be an adjective.
Happy Ever Afters was created on 2009-10-10.
The cast of Afters - 2013 includes: Luke Healy as The Man
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "rapid" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "breezy" is an adjective.