wall vs room access

wall and room access both are nouns.

Word	Noun	Adjective	Verb	Adverb
wall	Yes	No	Yes	No
room access	Yes	No	No	No

wall (noun)	room access (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	the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close
an embankment built around a space for defensive purposes
a masonry fence (as around an estate or garden)
a layer of material that encloses space
(anatomy) a layer (a lining or membrane) that encloses a structure
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)	room access (verb)
surround with a wall in order to fortify