plotter vs schemer

plotter and schemer both are nouns.

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

As nouns, plotter and schemer are synonyms defined as:

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