disagreeable vs ruthful

disagreeable

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

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

ruthful

adj
  • Causing pity; piteous. 

  • Full of ruth or pity; merciful; compassionate. 

  • Full of sorrow; sorrowful; woeful; rueful. 

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