Space, room

Words referring to the amount of empty space that is available to be used.

• What words refer to the amount of empty space that is available to be used?
  space room clearance floor space elbow room
• What words refer to providing space for someone or something?
  make room clear a space make way get out of the way
• What words describe a situation where there is just enough room?
  a tight squeeze barely enough room close fit