floodwater vs whirlpool

floodwater

noun

  • The water of a flood. 

whirlpool

noun

  • A swirling body of water. 

  • Turmoil, or agitated excitement. 

  • A hot tub, jacuzzi. 

verb

  • To spin or swirl like the water in a whirlpool. 

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