inkle vs make known

inkle

verb
  • To hint at; disclose. 

  • To have a hint or inkling of; divine. 

noun
  • Narrow linen tape, used for trimmings or to make shoelaces 

make known

verb
  • To disclose (a secret). 

  • To announce (some information) generally. 

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