perplexity vs poise

perplexity

noun
  • The state or quality of being perplexed; puzzled or confused. 

  • Something that perplexes. 

  • In information theory, a measurement of how well a probability distribution or model predicts a sample. 

poise

noun
  • Composure; freedom from embarrassment or affectation. 

  • The weight, or mass of metal, used in weighing, to balance the substance weighed. 

  • Mien; bearing or deportment of the head or body. 

  • That which causes a balance; a counterweight. 

  • A state of balance, equilibrium or stability. 

  • A condition of hovering, or being suspended. 

  • A CGS unit of dynamic viscosity equal to one dyne-second per square centimetre. 

verb
  • To hold (something) in equilibrium, to hold balanced and ready; to carry (something) ready to be used. 

  • To ascertain, as if by balancing; to weigh. 

  • To keep (something) in equilibrium; to hold suspended or balanced. 

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