Fire door and Fire escape

Fire door noun - A fire-resistant door that can be closed to stop the spread of a fire.

Fire escape and fire door are semantically related. In some cases you can use "Fire escape" instead a noun phrase "Fire door".

Fire escape noun - A stairway (often on the outside of a building) that permits exit in the case of fire or other emergency.

Fire door and fire escape are semantically related. You can use "Fire door" instead a noun phrase "Fire escape".