buttress vs monolith

buttress

noun
  • A brick or stone structure built against another structure to support it. 

  • Anything that supports or strengthens. 

  • A buttress-root. 

  • Anything that serves to support something; a prop. 

  • A feature jutting prominently out from a mountain or rock. 

verb
  • To support something or someone by supplying evidence. 

  • To support something physically with, or as if with, a prop or buttress. 

monolith

noun
  • A large, single block of stone which is a natural feature; or a block of stone or other similar material used in architecture and sculpture, especially one carved into a monument in ancient times. 

  • A substrate having many tiny channels that is cast as a single piece, which is used as a stationary phase for chromatography, as a catalytic surface, etc. 

  • A dead tree whose height and size have been reduced by breaking off or cutting its branches. 

  • Anything massive, uniform, and unmovable, especially a towering and impersonal cultural, political, or social organization or structure. 

verb
  • To cast (one or more concrete components) in a single piece with no joints. 

  • To reduce the height and size of (a dead tree) by breaking off or cutting its branches. 

  • To create (something) as, or convert (one or more things) into, a monolith. 

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