flat twist vs squiggle

flat twist

noun
  • Synonym of hair twist 

squiggle

noun
  • A short twisting or wiggling line or mark. 

  • Synonym of tilde. 

  • An illegible scrawl. 

verb
  • To write illegibly. 

  • To make a squiggle. 

  • To wriggle or squirm. 

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