apple pear vs guava

apple pear

noun
  • A fruit of a northeast-Asian species of pear with a crisp, juicy texture and an apple-like shape. 

  • Pyrus pyrifolia, the tree that bears this fruit. 

guava

noun
  • Its yellowish tropical fruit, 1¼ to 2 inches, globular or pear-shaped with thin, yellow, green or brown skin, is often made into jams and jellies. The meat is yellowish or pale green to pink in color. 

  • A medium reddish-pink colour, like that of guava flesh (also called guava pink). 

  • A tropical tree or shrub of the myrtle family, Psidium guajava. 

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