outline vs penning

outline and penning both are nouns.

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

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

outline (verb)	penning (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