totalizer vs adding machine

totalizer and adding machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
totalizer	Yes	No	No	No
adding machine	Yes	No	No	No

As nouns, totalizer and adding machine are synonyms defined as:

totalizer and adding machine: a calculator that performs simple arithmetic functions

Other synonyms of totalizer include totaliser.

totalizer (noun)	adding machine (noun)
a calculator that performs simple arithmetic functions	a calculator that performs simple arithmetic functions
computer that registers bets and divides the total amount bet among those who won