Malay apple vs ohia

Malay apple

noun
  • A myrtaceous tree (Syzygium malaccense) native to Malaysia and Australia, or the fruit of this tree. 

ohia

noun
  • the Malay apple, Syzygium malaccense, (native to Southeast Asia, introduced throughout the tropics). 

  • in Hawaii: the lehua, Metrosideros polymorpha (native to Hawaii) 

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