mons vs vault

mons

noun
  • A mountain or extinct volcano on a planet or a moon. 

  • The pubic mound or mons pubis. In human anatomy or in mammals in general, the mons pubis (Latin for "pubic mound"), also known as the mons veneris (Latin, mound of Venus) or simply the mons, is the adipose tissue lying above the pubic bone of adult females, anterior to the pubic symphysis. The mons pubis forms the anterior portion of the vulva. 

vault

noun
  • Anything resembling such a downward-facing concave structure, particularly the sky and caves. 

  • A piece of apparatus used for performing jumps. 

  • Any cellar or underground storeroom. 

  • An arched masonry structure supporting and forming a ceiling, whether freestanding or forming part of a larger building. 

  • Any archive of past content. 

  • Any arched ceiling or roof. 

  • The space covered by an arched roof, particularly underground rooms and (Christianity, obsolete) church crypts. 

  • An encrypted digital archive. 

  • The secure room or rooms in or below a bank used to store currency and other valuables; similar rooms in other settings. 

  • An act of vaulting, formerly (chiefly) by deer; a leap or jump. 

  • Any burial chamber, particularly those underground. 

  • An event or performance involving a vaulting horse. 

  • A gymnastic movement performed on this apparatus. 

  • Synonym of volte: a circular movement by the horse. 

verb
  • To jump or leap over. 

  • To build as, or cover with a vault. 

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