convenience vs inappropriateness

convenience

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

  • The quality of being convenient. 

  • A convenient time. 

verb
  • To make convenient 

inappropriateness

noun
  • The quality of being inappropriate; unsuitability. 

  • The result of being inappropriate. 

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