be on the back of vs pique

be on the back of

pique

verb
  • To excite to action, especially by causing jealousy, resentment, etc.; also, to stimulate an emotion or feeling, especially curiosity or interest. 

  • To score a pique against (someone). 

  • To excite (someone) to action, especially by causing jealousy, resentment, etc.; also, to stimulate (an emotion or feeling, especially curiosity or interest). 

  • To pride (oneself) on something. 

  • To wound the pride of (someone); to excite to anger; to irritate, to offend. 

  • To take pride in. 

noun
  • Enmity, ill feeling; (countable) a feeling of animosity or a dispute. 

  • Irritation or resentment awakened by a social injury or slight; offence, especially taken in an emotional sense with little consideration or thought; (countable) especially in fit of pique: a transient feeling of wounded pride. 

  • In piquet, the right of the elder hand to count thirty in hand, or to play before the adversary counts one. 

How often have the words be on the back of and pique occurred in a corpus of books? (source: Google Ngram Viewer )