levo- vs sinistro-

levo-

prefix

  • Left; on the left; toward the left. 

  • Denoting a levorotatory form of an enantiomer. 

sinistro-

prefix

  • Left; on the left; toward the left. 

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