hairline vs watery

hairline

adj
  • very thin, as thin as a hair 

noun
  • A fishing line made from hair. 

  • The line along one's forehead where hair starts growing. 

  • A very thin line in writing, drawing, or typography. 

  • A very thin fissure. 

watery

adj
  • Thin and pale therefore suggestive of water. 

  • Tearful. 

  • Diluted or having too much water. 

  • Weak and insipid. 

  • Resembling or characteristic of water. 

  • Wet, soggy or soaked with water. 

  • Discharging water or similar substance as a result of disease etc. 

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