appetizing vs untasty

appetizing

adj
  • Appealing or enticing. 

  • That appeals to, or stimulates the appetite. 

noun
  • any food traditionally eaten with a bagel, as an accompaniment, topping or filling; including dairy products and pareve but not meat 

untasty

adj
  • Not tasty 

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