high vs principal

high

adj
  • Most exalted; foremost. 

  • Very elevated; extending or being far above a base; tall; lofty. 

  • Having a large or comparatively larger concentration of (a substance, which is often but not always linked by "in" when predicative). 

  • Very traditionalist and conservative, especially in favoring older ways of doing things; see e.g. high church, High Tory. 

  • Acute or shrill in pitch, due to being of greater frequency, i.e. produced by more rapid vibrations (wave oscillations). 

  • Remote (to the north or south) from the equator; situated at (or constituting) a latitude which is expressed by a large number. 

  • Having the highest rank in a straight, flush or straight flush. 

  • Intoxicated; under the influence of a mood-altering drug, formerly usually alcohol, but now (from the mid-20th century) usually not alcohol but rather marijuana, cocaine, heroin, etc. 

  • Near, in its direction of travel, to the (direction of the) wind. 

  • Positioned up the field, towards the opposing team's goal. 

  • Large, great (in amount or quantity, value, force, energy, etc). 

  • Luxurious; rich. 

  • Having a specified elevation or height; tall. 

  • Of great importance and consequence: grave (if negative) or solemn (if positive). 

  • Relatively elevated; rising or raised above the average or normal level from which elevation is measured. 

  • Pertaining to (or, especially of a language: spoken in) in an area which is at a greater elevation, for example more mountainous, than other regions. 

  • Above the batter's shoulders. 

  • Keen, enthused. 

  • Consummate; advanced (e.g. in development) to the utmost extent or culmination, or possessing a quality in its supreme degree, at its zenith. 

  • Elevated in mood; marked by great merriment, excitement, etc. 

  • Advanced in complexity (and hence potentially abstract and/or difficult to comprehend). 

  • Elevated in status, esteem, or prestige, or in importance or development; exalted in rank, station, or character. 

  • Lofty, often to the point of arrogant, haughty, boastful, proud. 

  • Strong-scented; slightly tainted/spoiled; beginning to decompose. 

  • Winning; able to take a trick, win a round, etc. 

  • Made with some part of the tongue positioned high in the mouth, relatively close to the palate. 

  • With tall waves. 

noun
  • The maximum atmospheric temperature recorded at a particular location, especially during one 24-hour period. 

  • A drug that gives such a high. 

  • A large area of elevated atmospheric pressure; an anticyclone. 

  • A high point or position, literally (as, an elevated place; a superior region; a height; the sky; heaven).or figuratively (as, a point of success or achievement; a time when things are at their best, greatest, most numerous, maximum, etc). 

  • The highest card dealt or drawn. 

  • A period of euphoria, from excitement or from an intake of drugs. 

adv
  • In or at a great value. 

  • At a pitch of great frequency. 

  • In or to an elevated position. 

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 high and principal occurred in a corpus of books? (source: Google Ngram Viewer )