sheath vs toque

sheath

noun
  • A holster for a sword; a scabbard. 

  • The base of a leaf when sheathing or investing a branch or stem, as in grasses. 

  • A condom. 

  • The foreskin of certain animals (for example, dogs and horses). 

  • A tight-fitting dress. 

  • Anything that has a similar shape to a scabbard that is used to hold an object that is longer than it is wide. 

  • The insulating outer cover of an electrical cable. 

  • One of the elytra of an insect. 

toque

noun
  • A knitted hat, usually conical but of varying shape, often woollen, and sometimes topped by a pom-pom or tassel. 

  • A chef. 

  • A tall white hat with no brim of the sort worn by chefs 

  • The guitar part of flamenco music. 

  • An African nominal money of account, equal to 40 cowries. 

  • A type of hat with no brim. 

  • A variety of bonnet monkey; toque macaque, Macaca sinica. 

  • A rhythm used in Latin music, especially Cuban religious rituals. 

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