concrete vs pop-up

concrete

verb
  • To solidify: to change from being abstract to being concrete (actual, real). 

  • To cover with or encase in concrete (building material). 

adj
  • Made of concrete, a building material. 

  • Being or applying to actual things, not abstract qualities or categories. 

  • Real, actual, tangible. 

  • Particular, specific, rather than general. 

  • United by coalescence of separate particles, or liquid, into one mass or solid. 

noun
  • An extract of herbal materials that has a semi-solid consistency, especially when such materials are partly aromatic. 

  • Specifically, a building material created by mixing cement, water, and aggregate such as gravel and sand. 

  • Sugar boiled down from cane juice to a solid mass. 

  • A dessert of frozen custard with various toppings. 

  • A term designating both a quality and the subject in which it exists; a concrete term. 

pop-up

adj
  • Opening out to form a three-dimensional structure when the page of a book is opened. 

  • Coming into view suddenly from a concealed position. 

  • Employing the cold launch technique. 

  • Operating or existing for a brief period only; temporary. 

noun
  • A folded paper element which pops up from a book, greeting card, etc. 

  • A pop-up ball: a ball that has been hit to a considerable height above the infield or the shallow outfield; a pop fly. 

  • A business that quickly pops up, such as a temporary restaurant. 

  • A pop-up advertisement; an advertisement that is triggered to appear on a computer screen when an Internet user accesses a particular web page. 

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