ill-looking vs under the weather

ill-looking

adj
  • having an unhealthy appearance 

  • unattractive; ugly 

  • of evil or sinister appearance 

under the weather

adj
  • Somewhat intoxicated or suffering from a hangover. 

  • ill or gloomy, especially from a cold or flu. 

How often have the words ill-looking and under the weather occurred in a corpus of books? (source: Google Ngram Viewer )