attendant vs attendee

attendant and attendee both are nouns.

Word	Noun	Adjective	Verb	Adverb
attendant	Yes	Yes	No	No
attendee	Yes	No	No	No

As nouns, attendant and attendee are synonyms defined as:

attendant and attendee: a person who is present and participates in a meeting

Other synonyms of attendant include attender, meeter.

attendant (noun)	attendee (noun)
an event or situation that happens at the same time as or in connection with another	a person who is present and participates in a meeting
someone who waits on or tends to or attends to the needs of another
a person who is present and participates in a meeting

attendant (adjective)	attendee (adjective)
being present (at a meeting or event, etc.)
occurring with or following as a consequence