penning vs outline

penning and outline both are nouns.

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

penning (noun)	outline (noun)
the act of creating written works	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

penning (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