caput vs eminence

caput

noun
  • A knob-like protuberance or capitulum. 

  • The top or superior part of a thing. 

  • The head. 

  • The council or ruling body of the University of Cambridge prior to the constitution of 1856. 

eminence

noun
  • A protuberance. 

  • Someone of high rank, reputation or social status. 

  • Prominence in a particular order or accumulation; esteem. 

  • An elevated land area or a hill. 

  • A dark purple color. 

  • The quality or state of being eminent. 

  • eminence 

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