automatic teller machine vs automated teller machine

automatic teller machine and automated teller machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
automatic teller machine	Yes	No	No	No
automated teller machine	Yes	No	No	No

As nouns, automatic teller machine and automated teller machine are synonyms defined as:

automatic teller machine and automated teller machine: an unattended machine (outside some banks) that dispenses money when a personal coded card is used

Other synonyms of automatic teller machine include ATM, automated teller, automatic teller, cash dispenser, cash machine.

automatic teller machine (noun)	automated teller machine (noun)
an unattended machine (outside some banks) that dispenses money when a personal coded card is used	an unattended machine (outside some banks) that dispenses money when a personal coded card is used