respond vs sync

respond

noun
  • A response. 

  • A half-pillar, pilaster, or any corresponding device engaged in a wall to receive the impost of an arch. 

  • A versicle or short anthem chanted at intervals during the reading of a lection. 

verb
  • To act in return; to carry out an action or in return to a force or stimulus; to do something in response. 

  • To say something in return; to answer; to reply. 

  • To satisfy; to answer. 

  • To correspond with; to suit. 

  • To be liable for payment. 

sync

noun
  • Harmony. 

  • A music synchronization license, allowing the music to be synchronized with visual media such as films. 

verb
  • To synchronize, especially in the senses of data synchronization, time synchronization, or synchronizing music with video. 

  • To flush all pending I/O operations to disk. 

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