earpiece vs eyebrow

earpiece

noun
  • The arm on a pair of glasses that hooks over the ear to hold them in place. 

  • A speaker placed inside or held near to the ear. 

  • A receiver of a telephone to hold near to one's ear. 

eyebrow

noun
  • The hair that grows over the bone ridge above the eye socket. 

  • A dormer, usually of small size, whose roof line over the upright face is typically an arched curve, turning into a reverse curve to meet the horizontal line at either end. 

  • A clump of waste fibres that builds up in a roller machine. 

verb
  • To build up waste fibres in a roller machine. 

  • To signal with one's eyebrows. 

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