acquiescent vs obedient

acquiescent

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

  • resting satisfied or submissive; disposed tacitly to submit 

obedient

adj
  • Willing to comply with the commands, orders, or instructions of those in authority. 

noun
  • One who obeys. 

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