Abies balsamea vs balm of Gilead

Abies balsamea

balm of Gilead

noun
  • A rare perfume produced in Gilead and used medicinally, mentioned in the Bible. It is sometimes thought to have come from the plant Commiphora gileadensis, and sometimes from a terebinth tree in the genus Pistacia. 

  • A remedy believed to cure all disease; panacea. 

How often have the words Abies balsamea and balm of Gilead occurred in a corpus of books? (source: Google Ngram Viewer )