bruit vs insinuation

bruit

noun
  • An abnormal sound in the body heard on auscultation (for example, through using a stethoscope); a murmur. 

insinuation

noun
  • That which is insinuated; a hint; a suggestion, innuendo or intimation by distant allusion 

  • The act or process of insinuating; a creeping, winding, or flowing in. 

  • The act of gaining favor, affection, or influence, by gentle or artful means; — formerly used in a good sense, as of friendly influence or interposition. 

  • The art or power of gaining good will by a prepossessing manner. 

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