admit vs adopt

admit

verb
  • To give warrant or allowance, to grant opportunity or permission (+ of). 

  • To allow to enter; to grant entrance (to), whether into a place, into the mind, or into consideration 

  • To allow (someone) to enter a profession or to enjoy a privilege; to recognize as qualified for a franchise. 

  • To concede as true; to acknowledge or assent to, as an allegation which it is impossible to deny (+ to). 

  • To allow to enter a hospital or similar facility for treatment. 

  • To be capable of; to permit. In this sense, "of" may be used after the verb, or may be omitted. 

adopt

verb
  • To select and take or approve. 

  • To take voluntarily (a child of other parents) to be in the place of, or as, one's own child. 

  • To take or receive as one's own what is not so naturally. 

  • To obtain (a pet) from a shelter or the wild. 

  • To take by choice into the scope of one's responsibility. 

  • To beat an opponent ten times in a row. 

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