incommodious vs unproper

incommodious

adj
  • Discomforting, inconvenient, or unsuitable. 

  • Uncomfortable or inhospitable, especially due to being cramped. 

unproper

adj
  • Improper, not according with good standards of behaviour; indecent, indecorous. 

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