groovy vs scruffy

groovy

adj
  • Of, pertaining to, or having grooves. 

scruffy

noun
  • An artificial intelligence researcher who believes that intelligence is too complicated (or computationally intractable) to be solved with the sorts of homogeneous system favoured by the "neats". 

adj
  • Untidy in appearance. 

  • Scurfy. 

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