This isn't really a programming solution but you should check out this webapp: http://www.hemingwayapp.com/ http://www.hemingwayapp.com/ It may not be the exa

This isn't really a programming solution but you should check out this webapp: http://www.hemingwayapp.com/ http://www.hemingwayapp.com/ It may not be the exact thing you're looking for but it can probably be helpful to your students. I would also look at Python NLTK. I've only dabbled in the toolkit, so I'm not sure if it has what you're looking for exactly, but it's worth a look. http://www.nltk.org/ http://www.nltk.org/