sprout vs underpinning

sprout

noun
  • A child. 

  • A Brussels sprout. 

  • A bean sprout. 

  • A new growth on a plant, whether from seed or other parts. 

  • An edible germinated seed. 

verb
  • To emerge from the ground as sprouts. 

  • To emerge haphazardly from a surface. 

  • To emerge or appear haphazardly 

  • To cause to grow from a seed. 

  • To deprive of sprouts. 

  • To grow from seed; to germinate. 

underpinning

noun
  • The lower body or legs. 

  • A support or foundation, especially as a structure of masonry that supports a wall. 

  • A basis for something. 

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