obsequious vs pliant

obsequious

adj
  • Excessively eager and attentive to please or to obey instructions; fawning, subservient, servile. 

pliant

adj
  • Easily influenced; tractable. 

  • Capable of plying or bending; readily yielding to force or pressure without breaking 

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