wax apple vs willow

wax apple

noun
  • a tropical plant, Syzygium samarangense, bearing an edible fruit 

  • the fruit of this plant 

willow

noun
  • Any of various deciduous trees or shrubs in the genus Salix, in the willow family Salicaceae, found primarily on moist soils in cooler zones in the northern hemisphere. 

  • The wood of these trees. 

  • The baseball bat. 

  • A cricket bat. 

  • A rotating spiked drum used to open and clean cotton heads. 

verb
  • To form a shape or move in a way similar to the long, slender branches of a willow. 

  • To open and cleanse (cotton, flax, wool, etc.) by means of a willow. 

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