disagreeable vs incredulous

disagreeable

adj
  • Causing repugnance; unpleasant to the feelings or senses; displeasing. 

noun
  • Something or someone displeasing; anything that is disagreeable. 

incredulous

adj
  • Expressing or indicative of incredulity. 

  • Difficult to believe; incredible. 

  • Skeptical, disbelieving, or unable to believe. 

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