Surprise is a key ingredient of wordplay's charm. Many forms of wordplay amuse us by rearranging one word's letters into two or more unrelated, unexpected words. One basic class of letter rearrangements is Word interlocks. Interlocks are the rearrangements that split a word but preserve the original letter-ordering in the derived words. The title of this article includes two amusing interlocks: laPwInGs and DIsAPpEaRs.
"Pig Lawns and Diaper Spas,"
Word Ways: Vol. 26
, Article 10.
Available at: http://digitalcommons.butler.edu/wordways/vol26/iss4/10