convenience vs pleasantness

convenience

noun

  • The quality of being convenient. 

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

  • A convenient time. 

verb

  • To make convenient 

pleasantness

noun

  • The state or quality of being pleasant. 

  • Something pleasant. 

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