fairy vs naiad

fairy

noun
  • A member of two species of hummingbird in the genus Heliothryx. 

  • A male homosexual, especially one who is effeminate. 

  • A mythical being with magical powers, known in many sizes and descriptions, although often depicted in modern illustrations only as a small sprite with gauze-like wings, and revered in some modern forms of paganism. 

  • An enchantress, or creature of overpowering charm. 

  • A legendary Chinese immortal. 

adj
  • Like a fairy; fanciful, whimsical, delicate. 

naiad

noun
  • The aquatic larva (nymph) of a dragonfly or damselfly. 

  • A female deity (nymph) associated with water, especially a spring, stream, or other fresh water. 

  • Any of various aquatic plants of the genus Najas. 

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