touching vs unfamiliar

touching

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. 

prep
  • Regarding; concerning. 

unfamiliar

adj
  • Strange, not familiar. 

noun
  • An unfamiliar person; a stranger. 

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