convenience vs enrich

convenience

verb
  • To make convenient 

noun
  • Any object that makes life more convenient; a helpful item. 

  • The quality of being convenient. 

  • A convenient time. 

enrich

verb
  • To enhance. 

  • To add nutrients or fertilizer to the soil; to fertilize. 

  • To increase the amount of one isotope in a mixture of isotopes, especially in a nuclear fuel. 

  • To adorn, ornate more richly. 

  • To make (someone or something) rich or richer. 

  • To add nutrients to foodstuffs; to fortify. 

  • To make to rise the proportion of a given constituent. 

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