loft vs mansard roof

loft

noun
  • An attic or similar space (often used for storage) in the roof of a house or other building. 

  • The pitch or slope of the face of a golf club (tending to drive the ball upward). 

  • A gallery or raised apartment in a church, hall, etc. 

  • The thickness of a soft object when not under pressure. 

verb
  • To propel high into the air. 

  • To fly or travel through the air, as though propelled 

  • To raise (a bed) on tall supports so that the space beneath can be used for something else. 

  • To furnish with a loft space. 

  • To throw the ball erroneously through the air instead of releasing it on the lane's surface. 

mansard roof

noun
  • A roof having two slopes on each side, the lower one having a steeper pitch than the upper; this increases the volume of the enclosed space. 

  • A steeper roof that terminates into a flat roof at its high point. 

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