angelica vs seraph

angelica

noun
  • A tall plant, with hollow stems, genus Angelica, especially garden angelica (Angelica archangelica). 

  • Candied stems of the plant, used to decorate cookies. 

  • Species of Aralia. 

  • Synonym of angélique (“musical instrument”) 

seraph

noun
  • A six-winged angel; one of the highest choir or order of angels in Christian angelology, ranked above cherubim, and below God. They are the 5th-highest order of angels in Jewish angelology. A detailed description can be found at the beginning of Isaiah chapter 6. 

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