You mean 'encore' meaning an extra performance at the end of a show because the audience shouts for it. A Noun
eminem oncore
The correct spelling is encore (a special closing to a performance, or a repeated one).
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.