appearing vs appearance

appearing and appearance both are nouns.

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

As nouns, appearing and appearance are synonyms defined as:

appearing and appearance: formal attendance (in court or at a hearing) of a party in an action

Other synonyms of appearing include coming into court.

appearing (noun)	appearance (noun)
formal attendance (in court or at a hearing) of a party in an action	the act of appearing in public view
	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