nebulous vs swimmy

nebulous

adj
  • In the form of a cloud or haze; hazy. 

  • Vague or ill-defined. 

  • Relating to a nebula or nebulae. 

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 nebulous and swimmy occurred in a corpus of books? (source: Google Ngram Viewer )