skittish vs swimmy

skittish

adj
  • Easily scared or startled; timid. 

  • Wanton; changeable; fickle. 

  • Difficult to manage; tricky. 

swimmy

adj
  • Dizzy; swirling or moving as if seen in a daze. 

noun
  • An inflatable armband to help children swim. 

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