imprudence vs intelligibility

imprudence

noun
  • The quality or state of being imprudent; lack of prudence, caution, discretion or circumspection. 

  • An imprudent act. 

intelligibility

noun
  • The quality of recorded speech of every word being understandable. 

  • That which is intelligible; the degree to which something is intelligible. 

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