gyratory vs swimmy

gyratory

adj
  • Moving in a circle, or spirally; revolving; whirling around. 

noun
  • A large traffic roundabout with non-standard lane markings or priorities, or with buildings on the central island. 

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