beneficial vs convenience

beneficial

noun
  • Something that is beneficial. 

adj
  • Helpful or good to something or someone. 

  • Relating to a benefice. 

convenience

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

  • The quality of being convenient. 

  • A convenient time. 

verb
  • To make convenient 

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