clearance vs room

clearance

noun
  • The act of clearing or something (such as a space) cleared. 

  • The first disposal in a chain that leaves the area of a stoppage, or a disposal that leaves the area of a stoppage itself. 

  • A permission for a vehicle to proceed, or for a person to travel. 

  • A permission to have access to sensitive or secret documents or other information. 

  • The act of kicking a ball away from the goal one is defending. 

  • The act of potting all the remaining balls on a table at one visit. 

  • Clear or net profit. 

  • The settlement of transactions involving securities or means of payment such as checks by means of a clearing house. 

  • A permission to use something, usually intellectual property, that is legally, but not otherwise, protected. 

  • The height or width of a tunnel, bridge or other passage, or the distance between a vehicle and the walls or roof of such passage; a gap, headroom. 

  • The distance between two moving objects, especially between parts of a machine 

  • A sale of merchandise, especially at significantly reduced prices, usually in order to make room for new merchandise or updated versions of the same merchandise. 

  • The removal of harmful substances from the blood; renal clearance. 

  • Removal of pieces from a rank, file or diagonal so that a bishop, rook or queen is free to move along it. 

  • The act of leaving the area of a stoppage. 

room

noun
  • Space for something, or to carry out an activity. 

  • The people in a room. 

  • A space between the timbers of a ship's frame. 

  • Place or position in society; office; rank; post, sometimes when vacated by its former occupant. 

  • A quantity of furniture sufficient to furnish one room. 

  • Sufficient space for or to do something. 

  • A set of rooms inhabited by someone; one's lodgings. 

  • An area for working in a coal mine. 

  • A separate part of a building, enclosed by walls, a floor and a ceiling. 

  • A portion of a cave that is wider than a passage. 

  • An IRC or chat room. 

  • (One's) bedroom. 

adv
  • Off from the wind. 

verb
  • To assign to a room; to allocate a room to. 

  • To reside, especially as a boarder or tenant. 

How often have the words clearance and room occurred in a corpus of books? (source: Google Ngram Viewer )