clerk vs plotter

clerk and plotter both are nouns.

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

As nouns, plotter is a hyponym of clerk; that is, plotter is a word with a more specific, narrower meaning than clerk:

clerk: an employee who performs clerical work (e.g., keeps records or accounts)
plotter: a clerk who marks data on a chart

clerk (noun)	plotter (noun)
an employee who performs clerical work (e.g., keeps records or accounts)	an instrument (usually driven by a computer) for drawing graphs or pictures
a salesperson in a store	a member of a conspiracy
	a planner who draws up a personal scheme of action
	a clerk who marks data on a chart

clerk (verb)	plotter (verb)
work as a clerk, as in the legal business