apex vs taj

apex

noun
  • A conical priest cap. 

  • The top of the food chain. 

  • The moment of greatest success, expansion, etc. 

  • The end or edge of a vein nearest the surface. 

  • The highest point in a plane or solid figure, relative to a base line or plane. 

  • The end of a leaf, petal or similar organ opposed to the end where it is attached to its support. 

  • The growing point of a shoot. 

  • The deepest part of a tooth's root. 

  • A diacritic in Middle Vietnamese that indicates /ŋ͡m/. 

  • The highest or the greatest part of something, especially forming a point. 

  • A diacritic in Classical Latin that resembles and gave rise to the acute. 

  • The lowest part of the human heart. 

  • The point on the celestial sphere toward which the Sun appears to move relative to nearby stars. 

  • A sharp upward point formed by two strokes that meet at an acute angle, as in "W", uppercase "A", and closed-top "4", or by a tapered stroke, as in lowercase "t". 

  • The lowest point on a pendant drop of a liquid. 

taj

noun
  • A crown worn by Indian princes as a sign of high rank. 

  • A tall brimless hat, usually conical or curved on top, worn in Muslim countries as a sign of distinction and prestige. 

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