clapboard vs coat

clapboard

verb
  • To cover with clapboards. 

noun
  • A clapper board; a device used in film production, having hinged boards that are brought together with a clap, used to synchronize picture and sound at the start of each take of a motion picture or other video production. 

  • A narrow board, usually thicker at one edge than the other, used as siding for houses and similar structures of frame construction. 

  • Such boards, arranged horizontally and overlapping with thick edge down, collectively, as siding. 

coat

verb
  • To cover with a coating of some material. 

  • To cover like a coat. 

noun
  • Canvas painted with thick tar and secured round a mast or bowsprit to prevent water running down the sides into the hold (now made of rubber or leather). 

  • A covering of material, such as paint.ᵂᵖ 

  • A coat of arms.ᵂᵖ 

  • An outer garment covering the upper torso and arms.ᵂᵖ 

  • The habit or vesture of an order of men, indicating the order or office; cloth. 

  • A coat card. 

  • The fur or feathers covering an animal's skin.ᵂᵖ 

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