appearing vs attendance

appearing and attendance both are nouns.

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

As nouns, attendance is a hypernym of appearing; that is, attendance is a word with a broader meaning than appearing:

appearing: formal attendance (in court or at a hearing) of a party in an action
attendance: the act of being present (at a meeting or event etc.)

Other hypernyms of appearing include attending.

appearing (noun)	attendance (noun)
formal attendance (in court or at a hearing) of a party in an action	the act of being present (at a meeting or event etc.)
	the number of people that are present
	the frequency with which a person is present