I love word clouds. It is the best way to deconstruct a piece of text with students.
It lets you start that conversation about language, text types, literacy and the power of the written word. It is also a great way to do a text analysis.
Marco Torres talks about using them to compare two political speeches to analyse the types of words each of the candidates use but this idea would work just as easily with characters in a book, types of poems or even a series of artists you are studying.