aqua vs springwater

aqua

noun
  • The compound water. 

  • A shade of colour, usually a mix of blue and green similar to the colour turquoise. 

adj
  • Of a greenish-blue colour. 

springwater

noun
  • Water originating from a spring. 

  • Water that is purportedly, and marketed as, originating from a spring, but is mostly or entirely filtered or tap water. 

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