covey vs wer

covey

verb

  • To brood; to incubate. 

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. 

wer

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