automated teller vs automatic teller machine

automated teller and automatic teller machine both are nouns.

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

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

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

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

automated teller (noun)	automatic 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