compatibility vs impropriety

compatibility

noun
  • The state of being compatible; in which two or more things are able to exist or work together in combination without problems or conflict. 

  • the capability of two or more items or components of equipment or material to exist or function in the same system or environment without mutual interference. 

  • the capability that allows the substitution of one subsystem (storage facility), or of one functional unit (e.g., hardware, software), for the originally designated system or functional unit in a relatively transparent manner, without loss of information and without the introduction of errors. 

  • the continuity or good fit of material or members or components while being deformed. 

  • the ability to execute a given program on different types of computers without modification of the program or the computers. See backward compatibility and forward compatibility. 

impropriety

noun
  • The condition of being improper. 

  • An improper act. 

  • Improper language. 

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