disagreeable vs superb

disagreeable

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

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

superb

adj
  • First-rate; of the highest quality; exceptionally good. 

  • Grand; magnificent; august; stately. 

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