grating vs mild

grating

adj
  • Harsh and unpleasant. 

  • Abrasive; tending to annoy. 

noun
  • An optical system of close equidistant and parallel lines or bars, especially lines ruled on a polished surface, used for producing spectra by diffraction. 

  • The strong wooden lattice used to cover a hatch, admitting light and air; also, a movable lattice used for the flooring of boats. 

  • A barrier that has parallel or crossed bars blocking a passage but admitting air. 

  • A frame of iron bars to hold a fire. 

  • The sound made by something that grates against something else. 

  • The loose material that comes from something being grated. 

mild

adj
  • Of only moderate severity; not strict. 

  • Not sharp or bitter; not strong in flavor. 

  • Not serious or dangerous. 

  • Moderately warm, especially less cold than expected. 

  • Gentle and not easily angered. 

  • Not overly felt or seriously intended. 

  • Acting gently and without causing harm. 

noun
  • A relatively low-gravity beer, often with a dark colour; mild ale 

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