in re vs touching

in re

prep
  • In the matter of; with regard to. 

touching

prep
  • Regarding; concerning. 

adj
  • Provoking sadness and pity; that can cause sadness or heartbreak among witnesses to a sad event or situation. 

noun
  • The act by which something is touched. 

  • A snack served with alcoholic drinks in an informal environment. 

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