lineation vs outline

lineation and outline both are nouns.

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

As nouns, lineation and outline are synonyms defined as:

lineation (noun)	outline (noun)
the act of marking or outlining with lines	a schematic or preliminary plan
the line that appears to bound an object	a sketchy summary of the main points of an argument or theory
	the line that appears to bound an object

lineation (verb)	outline (verb)
	describe roughly or briefly or give the main points or summary of
	trace the shape of
	draw up an outline or sketch for something