flyaway vs subtle

flyaway

adj
  • Soft, light, unruly, and difficult to set into a style. 

  • Disposed to fly away; unrestrained; light and free. 

  • Flighty; frivolous 

noun
  • A stray hair that is difficult to style. 

  • A portable satellite television antenna. 

  • Anything that is difficult to capture or restrain. 

  • A kind of dismount from bars that incorporates one or more flips or twists. 

subtle

adj
  • Barely noticeable, not obvious, indistinct. 

  • Tenuous; rarefied; of low density or thin consistency. 

  • Cleverly contrived. 

  • Cunning, skillful. 

  • Insidious. 

  • Hard to grasp; not obvious or easily understood. 

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