So, Wordles are fun, and interesting when you think about them. The more a word is used, the larger that specific word is. It gets cool thinking how the repeated words may actually illustrate the theme of the book quite well.
Here is one using the ESV text for the book of Hebrews.



Some of the themes of the book come out in the repeated words that are larger, but it is also a nice picture.
[from wordle.net]