turn around vs variate

turn around

verb
  • To change drastically in a fundamental way, often for the better; to change to the opposite (opinion or position). 

  • To consider from a different viewpoint. 

  • (often with a unit of time) To produce; to output; to generate. 

  • To suddenly change or reverse one's opinion, point of view, stated position, behaviour, etc. 

  • To reverse an expected outcome (of a game, etc.), usually from a losing outcome to a winning one; to return (a business, department, etc.) to effectiveness, profitability, etc. 

  • To physically rotate (usually around a vertical axis) for a half turn (180 degrees), a whole turn (360 degrees), or an indefinite amount. 

  • To convert (an agent) to work for one's own side. 

variate

verb
  • To alter; to vary; to make or become different. 

noun
  • The measured magnitude of a variable. 

  • random variable 

  • A variable, often the set of x values plotted on a graph. 

  • A measurable quantity capable of taking on a number of values. 

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