toller vs ringer

toller and ringer both are nouns.

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

As nouns, toller and ringer are synonyms defined as:

toller and ringer: a person who rings church bells (as for summoning the congregation)

Other synonyms of toller include bell ringer.

toller (noun)	ringer (noun)
someone employed to collect tolls	(horseshoes) the successful throw of a horseshoe or quoit so as to encircle a stake or peg
a person who rings church bells (as for summoning the congregation)	a contestant entered in a competition under false pretenses
	a person who is almost identical to another
	a person who rings church bells (as for summoning the congregation)