perimeter vs thrust

perimeter

noun
  • A fortified strip or boundary usually protecting a military position. 

  • The outer limits of an area. See synonyms at circumference. 

  • An instrument for determining the extent and shape of the field of vision. 

  • The length of such a boundary. 

  • The sum of the distance of all the lengths of the sides of an object. 

thrust

noun
  • An attack made by moving the sword parallel to its length and landing with the point. 

  • A push, stab, or lunge forward (the act thereof.) 

  • The primary effort; the goal. 

  • The force generated by propulsion, as in a jet engine. 

verb
  • To stab; to pierce; usually with through. 

  • To enter by pushing; to squeeze in. 

  • To push out or extend rapidly or powerfully. 

  • To make advance with force. 

  • To push or drive with force; to shove. 

  • To force something upon someone. 

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