toll collector vs tollman

toll collector and tollman both are nouns.

Word	Noun	Adjective	Verb	Adverb
toll collector	Yes	No	No	No
tollman	Yes	No	No	No

As nouns, toll collector and tollman are synonyms defined as:

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

toll collector (noun)	tollman (noun)
someone employed to collect tolls	someone employed to collect tolls