unattended vs unaccompanied

unattended and unaccompanied both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unattended	No	Yes	No	No
unaccompanied	No	Yes	No	Yes

unattended (adjective)	unaccompanied (adjective)
lacking accompaniment or a guard or escort	being without an escort
lacking a caretaker	playing or singing without accompaniment
not watched	(of a state or an event) taking place without something specified occurring at the same time

unattended (adverb)	unaccompanied (adverb)
	without anybody else or anything else