plotter vs mapper

plotter and mapper both are nouns.

Word	Noun	Adjective	Verb	Adverb
plotter	Yes	No	No	No
mapper	Yes	No	No	No

As nouns, plotter and mapper are synonyms defined as:

plotter (noun)	mapper (noun)
an instrument (usually driven by a computer) for drawing graphs or pictures	a clerk who marks data on a chart
a member of a conspiracy
a planner who draws up a personal scheme of action
a clerk who marks data on a chart