wall vs door

wall and door both are nouns.

Word	Noun	Adjective	Verb	Adverb
wall	Yes	No	Yes	No
door	Yes	No	No	No

wall (noun)	door (noun)
an architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure	a swinging or sliding barrier that will close the entrance to a room or building or vehicle
an embankment built around a space for defensive purposes	the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close
a masonry fence (as around an estate or garden)	a room that is entered via a door
a layer of material that encloses space	a structure where people live or work (usually ordered along a street or road)
(anatomy) a layer (a lining or membrane) that encloses a structure	anything providing a means of access (or escape)
anything that suggests a wall in structure or function or effect
a vertical (or almost vertical) smooth rock face (as of a cave or mountain)
a difficult or awkward situation

wall (verb)	door (verb)
surround with a wall in order to fortify