handspan vs twiddle

handspan

noun
  • The distance between the outstretched tips of the little finger and thumb when used as a unit of measurement 

twiddle

noun
  • A slight twist with the fingers. 

  • A small decorative embellishment. 

  • A wiggling movement. 

  • A tilde. 

  • A tiny bit 

  • A drawn line that is curvy or twisted. 

  • A small musical flourish. 

  • A tizzy 

verb
  • To flip or switch two adjacent bits (binary digits). 

  • To play with anything; hence, to be busy about trifles. 

  • To wiggle, fidget or play with; to move around. 

  • To be in an equivalence relation with. 

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