tickling vs tormenting

tickling

noun

  • The act by which someone is tickled. 

  • A sensation that tickles. 

adj

  • That tickles 

tormenting

noun

  • The act by which somebody is tormented. 

adj

  • Involving or causing torment. 

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