plot vs graph

plot and graph both are nouns.

Word	Noun	Adjective	Verb	Adverb
plot	Yes	No	Yes	No
graph	Yes	No	Yes	No

As nouns, graph is a hypernym of plot; that is, graph is a word with a broader meaning than plot:

Other hypernyms of plot include chart.

As verbs, graph is a hyponym of plot; that is, graph is a word with a more specific, narrower meaning than plot:

plot: make a schematic or technical drawing that shows interactions among variables or how something is constructed
graph: plot upon a graph

plot (noun)	graph (noun)
a secret scheme to do something (especially something underhand or illegal)	a visual representation of the relations between certain quantities, represented as points, plotted with reference to a set of axes
the story that is told in a novel or play or movie etc.	a visual display of information
a chart or graph showing the movements or progress of an object	a written symbol that is used to represent speech
a small area of ground covered by specific vegetation

plot (verb)	graph (verb)
plan secretly, usually something illegal	represent by means of a graph
make a plot of	plot upon a graph
make a schematic or technical drawing that shows interactions among variables or how something is constructed
devise the sequence of events in (a literary work or a play, movie, or ballet)