grassroots vs outstanding

grassroots

adj
  • Of, or relating to people or society at the local level, particularly in politics, social movements, etc.; of the grass roots. 

outstanding

adj
  • Prominent or noticeable; standing out from others. 

  • Exceptionally good; distinguished from others by its superiority. 

  • Projecting outwards. 

  • Unresolved; not settled or finished. 

  • Owed as a debt. 

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