incredulous vs smelly

incredulous

adj
  • Expressing or indicative of incredulity. 

  • Difficult to believe; incredible. 

  • Skeptical, disbelieving, or unable to believe. 

smelly

adj
  • Having a quality that arouses suspicion. 

  • Having signs that suggest a design problem; having a code smell. 

  • Having a bad smell. 

noun
  • a Short Magazine Lee Enfield rifle or one of its derivatives. 

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