cash dispenser vs automated teller machine

cash dispenser and automated teller machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
cash dispenser	Yes	No	No	No
automated teller machine	Yes	No	No	No

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

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

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

cash dispenser (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