entrance vs room access

entrance and room access both are nouns.

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

As nouns, room access is a hyponym of entrance; that is, room access is a word with a more specific, narrower meaning than entrance:

entrance: something that provides access (to get in or get out)
room access: the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close

entrance (noun)	room access (noun)
the act of entering	the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close
something that provides access (to get in or get out)
a movement into or inward

entrance (verb)	room access (verb)
put into a trance
attract; cause to be enamored