toller vs tollman

toller and tollman both are nouns.

Word	Noun	Adjective	Verb	Adverb
toller	Yes	No	No	No
tollman	Yes	No	No	No

As nouns, toller and tollman are synonyms defined as:

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

toller (noun)	tollman (noun)
someone employed to collect tolls	someone employed to collect tolls
a person who rings church bells (as for summoning the congregation)