When a word is pronounced like spelled out letters, such as okay, tepee, enemy, empty, beady, cutie, you, are, tea, bee, see, oh, queue, why, icy, easy, excess, decay, envy, kewpie, seedy, and so on.
Ellie and CeCe liked that their names were examples of elemenopy.
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).