scrabble vs snail's pace

scrabble

noun
  • A scramble. 

verb
  • To scrape or scratch powerfully with hands or claws. 

  • To gather hastily. 

  • To scribble. 

  • To mark with irregular lines or letters; to scribble on. 

  • To move with difficulty by making rapid movements back and forth with the hands or paws. 

snail's pace

noun
  • A very slow pace. 

How often have the words scrabble and snail's pace occurred in a corpus of books? (source: Google Ngram Viewer )