appearance vs occurrent

appearance and occurrent both are nouns.

Word	Noun	Adjective	Verb	Adverb
appearance	Yes	No	No	No
occurrent	Yes	Yes	No	No

As nouns, occurrent is a hypernym of appearance; that is, occurrent is a word with a broader meaning than appearance:

Other hypernyms of appearance include happening, natural event, occurrence.

appearance (noun)	occurrent (noun)
the act of appearing in public view	an event that happens
formal attendance (in court or at a hearing) of a party in an action
pretending that something is the case in order to make a good impression
outward or visible aspect of a person or thing
a mental representation
the event of coming into sight

appearance (adjective)	occurrent (adjective)
	presently occurring (either causally or incidentally)