lee vs roof over one's head

lee

noun
  • A sheltered place, especially a place protected from the wind by some object; the side sheltered from the wind (see also leeside); shelter; protection. 

  • A protected cove or harbor, out of the wind. 

  • The side of the ship away from the wind. 

adj
  • Facing away from the flow of a fluid, usually air. 

roof over one's head

noun
  • Somewhere to live; shelter. 

How often have the words lee and roof over one's head occurred in a corpus of books? (source: Google Ngram Viewer )