fat vs principal

fat

adj
  • Of a role: significant; major; meaty. 

  • Carrying more fat than usual on one's body; plump; not lean or thin. 

  • Bountiful. 

  • Abounding in riches; affluent; fortunate. 

  • Fertile; productive. 

  • Thick; large. 

  • Rich; producing a large income; desirable. 

  • Oily; greasy; unctuous; rich (said of food). 

  • Being a shot in which the ground is struck before the ball. 

  • Bulbous; rotund. 

noun
  • Such tissue as food: the fatty portion of (or trimmings from) meat cuts. 

  • A specialized animal tissue with high lipid content, used for long-term storage of energy: fat tissue. 

  • That part of an organization deemed wasteful. 

  • A fat person. 

  • The best or richest productions; the best part. 

  • A lipid that is solid at room temperature, which fat tissue contains and which is also found in the blood circulation; sometimes, a refined substance chemically resembling such naturally occurring lipids. 

  • An erection. 

  • A beef cattle fattened for sale. 

  • A poorly played shot where the ball is struck by the top part of the club head. (see also thin, shank, toe) 

principal

adj
  • Primary; most important; first level in importance. 

  • Chosen or assumed among a branch of possible values of a multi-valued function so that the function is single-valued. 

noun
  • The chief administrator of a school. 

  • A diapason, a type of organ stop on a pipe organ. 

  • The construction that gives shape and strength to a roof, generally a truss of timber or iron; or, loosely, the most important member of a piece of framing. 

  • A dancer at the highest rank within a professional dance company, particularly a ballet company. 

  • The primary participant in a crime. 

  • The first two long feathers of a hawk's wing. 

  • A security principal. 

  • A legal person that authorizes another (the agent) to act on their behalf; or on whose behalf an agent or gestor in a negotiorum gestio acts. 

  • The chief executive and chief academic officer of a university or college. 

  • The money originally invested or loaned, on which basis interest and returns are calculated. 

  • A partner or owner of a business. 

  • One of the turrets or pinnacles of waxwork and tapers with which the posts and centre of a funeral hearse were formerly crowned 

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