heckling vs insult

heckling

noun
  • The act of one who heckles. 

  • The preparation of flax for spinning using special combs called hackles. 

insult

noun
  • Something that causes offence (for example, by being of an unacceptable quality). 

  • Something causing disease or injury to the body or bodily processes; the injury so caused. 

  • Action or form of speech deliberately intended to be rude; (countable) a particular act or statement having this effect. 

verb
  • To be insensitive, insolent, or rude to (somebody); to affront or demean (someone). 

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