accept vs acknowledge

accept

verb
  • To regard as proper, usual, true, or to believe in. 

  • To admit to a place or a group. 

  • To acknowledge patiently without opposition or resistance. 

  • To endure patiently. 

  • To receive, especially with a consent, with favour, or with approval. 

  • To agree to pay. 

  • To receive officially. 

  • To receive as adequate or satisfactory. 

  • To receive or admit to; to agree to; to assent to; to submit to. 

  • To receive something willingly. 

acknowledge

verb
  • To admit the knowledge of; to recognize as a fact or truth; to declare one's belief in 

  • To own as genuine or valid; to assent to (a legal instrument) to give it validity; to avow or admit in legal form. 

  • To own or recognize in a particular quality, character or relationship; to admit the claims or authority of; to give recognition to. 

  • To be grateful of (e.g. a benefit or a favour) 

  • To report (the receipt of a message to its sender). 

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