schemer vs plotter

schemer and plotter both are nouns.

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

As nouns, schemer and plotter are synonyms defined as:

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