auxiliary vs guts

auxiliary

adj
  • Supplementary or subsidiary. 

  • Helping; giving assistance or support. 

  • Held in reserve for exceptional circumstances. 

  • Of a ship, having both sails and an engine. 

  • Relating to an auxiliary verb. 

noun
  • A person or group that acts in an auxiliary manner. 

  • An auxiliary verb. 

  • A marching band colorguard. 

  • A sailing vessel equipped with an engine. 

guts

verb
  • To show determination or courage (especially in the combination guts out). 

  • To eat greedily. 

noun
  • The center of the field. 

  • Courage; determination. 

  • Content, substance. 

  • One's innermost feelings. 

  • The entrails or contents of the abdomen. 

  • The essential, core parts. 

  • The ring in the gambling game two-up in which the spinner operates; the centre. 

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