caput vs foreland

caput

noun
  • The head. 

  • A knob-like protuberance or capitulum. 

  • The top or superior part of a thing. 

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

foreland

noun
  • A headland. 

  • In plate tectonics, the zone adjacent to a mountain chain where material eroded from it is deposited. 

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