build up vs insult

build up

verb
  • To accumulate, to pile up, to increase in stages. 

  • To close up by building. 

  • To strengthen. 

  • In solitaire card games, to place a card over another card of lower value. (e.g., place 5♦ over 4♣) 

  • To erect; to construct. 

insult

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

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

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

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

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