middle vs rind

middle

adj
  • Pertaining to the middle voice. 

  • Located in the middle; in between. 

  • Central. 

noun
  • A centre, midpoint. 

  • The part between the beginning and the end. 

  • The middle stump. 

  • The central part of a human body; the waist. 

  • The middle voice. 

rind

noun
  • tree bark 

  • A hard, tough outer layer, particularly on food such as fruit, cheese, etc 

  • The gall, the crust, the insolence; often as "the immortal rind" 

  • An iron support fitting used on the upper millstone of a grist mill. 

verb
  • To remove the rind from. 

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