acquiescent vs unagreeable

acquiescent

adj
  • willing to acquiesce, accept or agree to something without objection, protest or resistance 

  • resting satisfied or submissive; disposed tacitly to submit 

unagreeable

adj
  • Disagreeable; unpleasant. 

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