be content vs covet

be content

covet

verb
  • To wish for with eagerness; to desire possession of, often enviously. 

  • To long for inordinately or unlawfully; to hanker after (something forbidden). 

  • To yearn; to have or indulge an inordinate desire, especially for another's possession. 

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