toller vs toll taker

toller and toll taker both are nouns.

Word	Noun	Adjective	Verb	Adverb
toller	Yes	No	No	No
toll taker	Yes	No	No	No

As nouns, toller and toll taker are synonyms defined as:

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

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