solidarity vs sync

solidarity

noun
  • A bond of unity or agreement between individuals, united around a common goal or against a common enemy, such as the unifying principle that defines the labor movement; mutual support within a group. 

  • Willingness to give psychological and/or material support when another person is in a difficult position or needs affection. 

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 solidarity and sync occurred in a corpus of books? (source: Google Ngram Viewer )