Morphology - "is the component of mental grammar that deals with the types of words and how words are formed out of smaller meaningful pieces and other words."
Vedrana Mihalicek and Christina Wilson (Eds.) 2011. Language Files: Materials for an Introduction to Language and Linguistics. Columbus: The Ohio State University Press, 148.
Hilary Price. "Rhymes With Orange: The Big Gulp." Rhymeswithorange.com, May 24, 2011. <http://rhymeswithorange.com/comics/may-24-2011/>.