add vs preclude

add

verb
  • To give by way of increased possession (to someone); to bestow (on). 

  • To append (e.g. a statement); to say further information; to add on. 

  • To summon minions or reinforcements. 

  • To combine elements of (something) into one quantity. 

  • To make an addition; to augment; to increase; to add on. 

  • To join or unite (e.g. one thing to another, or as several particulars) so as to increase the number, augment the quantity, or enlarge the magnitude, or so as to form into one aggregate. 

  • To sum up; to put together mentally; to add up. 

  • To perform the arithmetical operation of addition. 

noun
  • The addition of a song to a station's playlist. 

  • An act or instance of adding. 

  • An additional enemy that joins a fight after the primary target. 

preclude

verb
  • Remove the possibility of; rule out; prevent or exclude; to make impossible. 

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