ep

ephemeral (adj.) short-lived, fleeting (She promised she’d love me forever, but her “forever” was only ephemeral: she left me after one week.)

epistolary (adj.) relating to or contained in letters (Some people call me “Auntie’s boy,” because my aunt and I have such a close epistolary relationship that we write each other every day.)

epitome (n.) a perfect example, embodiment (My mother, the epitome of good taste, always dresses more elegantly than I do.)