rose apple vs wax apple

rose apple

noun
  • Syzygium malaccense, the Malay rose apple. 

  • Angophora costata, a common woodland and forest tree of Eastern Australia. 

  • Syzygium aqueum, the watery rose apple. 

  • Syzygium jambos, the jambu fruit. 

  • Syzygium samarangense, the Semarang rose-apple or wax jambu. 

wax apple

noun
  • the fruit of this plant 

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

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