disinvolve vs engross

disinvolve

verb
  • To uncover; to unfold or unroll; to disentangle. 

engross

verb
  • To write (a document) in large, aesthetic, and legible lettering; to make a finalized copy of. 

  • To monopolize; to concentrate (something) in the single possession of someone, especially unfairly. 

  • To completely engage the attention of. 

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