reversion vs turnaround

reversion

noun
  • The fact of being turned the reverse way. 

  • The action of turning something the reverse way. 

  • The action of reverting something. 

  • The return of a genetic characteristic after a period of suppression. 

  • The right of succeeding to an estate, or to another possession. 

  • The act of conversion to Islam, due to the belief that all people are born Muslim. 

  • The return of an estate to the donor or grantor after expiry of the grant. 

  • The action of returning to a former condition or practice. 

  • A sum payable on a person's death. 

  • The right of succeeding to an office after the death or retirement of the holder. 

  • An estate which has been returned in this manner. 

turnaround

noun
  • A turnabout; a reversal of circumstances. 

  • The act of turning to face in the other direction. 

  • A series of sketches of a character as seen from different angles. 

  • A cadence linking the end of a verse to the beginning of the next. 

  • Synonym of goback 

  • The time required to carry out a task. 

  • The notation for the addition of a grace note above then below a given note. 

  • The scheduled shutdown of an industrial plant, such as an oil rig, for maintenance and testing. 

  • A contractual provision by which, if the studio elects to abandon a film project, the producer has a limited period in which to sell it elsewhere. 

  • Preparations for takeoff, such as loading and servicing. 

  • A reversal of policy. 

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