nonplus vs topsy-turvy

nonplus

noun
  • A state of bewilderment or perplexity. 

verb
  • To bewilder or perplex (someone); to confound, to flummox. 

topsy-turvy

noun
  • Chaos, confusion, disorder. 

  • An act of turning something backwards or upside down, or the situation that something is in after this has happened. 

  • A situation where the natural order of things has been upset. 

verb
  • To turn topsy-turvy or upside down; to invert. 

  • To throw into chaos or disorder; to upset. 

adv
  • Backwards or upside down; also, having been overturned or upset. 

  • Not in the natural order of things; in a disorderly manner; chaotically. 

adj
  • Chaotic; disorderly. 

  • Backwards or upside down. 

How often have the words nonplus and topsy-turvy occurred in a corpus of books? (source: Google Ngram Viewer )