covey vs fest

covey

noun
  • A party or group (of persons or things). 

  • A brood of partridges, grouse, etc. 

  • Coordinate terms: flock, gaggle, host 

  • A group of 8–12 (or more) quail. 

verb
  • To brood; to incubate. 

fest

noun
  • A gathering for a specified reason or occasion. 

  • An event in which the act denoted by the previous noun occurs. 

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