toll agent vs tollkeeper

toll agent and tollkeeper both are nouns.

Word	Noun	Adjective	Verb	Adverb
toll agent	Yes	No	No	No
tollkeeper	Yes	No	No	No

As nouns, toll agent and tollkeeper are synonyms defined as:

Other synonyms of toll agent include toll collector, toll taker, toller, tollgatherer, tollman.

toll agent (noun)	tollkeeper (noun)
someone employed to collect tolls	someone employed to collect tolls