build up vs raze

build up

verb
  • To accumulate, to pile up, to increase in stages. 

  • To close up by building. 

  • To strengthen. 

  • In solitaire card games, to place a card over another card of lower value. (e.g., place 5♦ over 4♣) 

  • To erect; to construct. 

raze

verb
  • To destroy; to strike out of existence; to obliterate. 

  • To scrape as if with a razor. 

  • To demolish; to level to the ground. 

noun
  • A swinging fence in a watercourse to prevent cattle passing through. 

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