outside door vs pane

outside door and pane both are nouns.

Word	Noun	Adjective	Verb	Adverb
outside door	Yes	No	No	No
pane	Yes	No	No	No

outside door (noun)	pane (noun)
a doorway that allows entrance to or exit from a building	sheet glass cut in shapes for windows or doors
	a panel or section of panels in a wall or door
	street name for lysergic acid diethylamide