kindly vs understanding

kindly

adj
  • Having a kind personality; kind, warmhearted, sympathetic. 

adv
  • Kind of, somewhat. 

  • In a kind manner, out of kindness. 

  • In a favourable way. 

  • With kind acceptance; used with take. 

  • Used to make a polite request: please. 

understanding

adj
  • Showing compassion, tolerance, and forbearance. 

noun
  • Opinion, judgement or outlook. 

  • An informal contract; mutual agreement. 

  • A reconciliation of differences. 

  • The act of one that understands or comprehends; comprehension; knowledge; discernment. 

  • Sympathy. 

  • Reason or intelligence, ability to grasp the full meaning of knowledge, ability to infer. 

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