drop a hint vs impart

drop a hint

verb
  • To reveal a clue or hint about something. 

impart

verb
  • To make known; to show (by speech, writing etc.). 

  • To give or bestow (e.g. a quality or property). 

  • To obtain a share of; to partake of. 

  • To give a part or to share. 

  • To hold a conference or consultation. 

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