apparition vs appear

apparition is a noun but appear is not a noun.

Word	Noun	Adjective	Verb	Adverb
apparition	Yes	No	No	No
appear	No	No	Yes	No

apparition (noun)	appear (noun)
an act of appearing or becoming visible unexpectedly
something existing in perception only
the appearance of a ghostlike figure
a ghostly appearing figure

apparition (verb)	appear (verb)
	come into sight or view
	be issued or published
	come into being or existence, or appear on the scene
	appear as a character on stage or appear in a play, etc.
	give a certain impression of being something or having a certain aspect
	(of a proposition) seem to be true, probable, or apparent
	present oneself formally, as before a (judicial) authority