Take a look at Google's NGrams and See if you Can Use it In Your Classroom

Ngrams are a wonderful new invention by Google. I would encourage you to play with
this way to use Google's formidable bank of digitalized books from the 1800 to the present. In the above ngram you can see how the word "global" comes into vogue during the post war period and after a long term decline in use, love justice and empathy are all on a very slight upswing. What to make of these trends is anyone's guess but it could provide a fascinating challenge for students to find out how these words' changing fortunes reflect our changing times. Let me know what you think.