negligible vs sickening

negligible

adj
  • Able to be neglected, ignored or excluded from consideration; too small or unimportant to be of concern. 

sickening

adj
  • Causing sickness or disgust. 

  • Amazing, fantastic. 

noun
  • The act of making somebody sick. 

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