plotter vs angler

plotter and angler both are nouns.

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

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

Other hyponyms of plotter include politician.

plotter (noun)	angler (noun)
an instrument (usually driven by a computer) for drawing graphs or pictures	fishes having large mouths with a wormlike filament attached for luring prey
a member of a conspiracy	a fisherman who uses a hook and line
a planner who draws up a personal scheme of action	a scheming person; someone who schemes to gain an advantage
a clerk who marks data on a chart