describe vs outline

describe is not a noun while outline is a noun.

Word	Noun	Adjective	Verb	Adverb
describe	No	No	Yes	No
outline	Yes	No	Yes	No

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

Other hyponyms of describe include represent, delineate, adumbrate, sketch.

describe (noun)	outline (noun)
	a schematic or preliminary plan
	a sketchy summary of the main points of an argument or theory
	the line that appears to bound an object

describe (verb)	outline (verb)
identify as in botany or biology, for example	describe roughly or briefly or give the main points or summary of
give a description of	trace the shape of
to give an account or representation of in words	draw up an outline or sketch for something
make a mark or lines on a surface