Here is a list of English words that contain diphthongs that are similar to the Lojban diphthongs. This list does not constitute an official pronunciation guide; it is intended as a help to English-speakers.
| Lojban | English |
| ai | “pie” |
| ei | “pay” |
| oi | “boy” |
| au | “cow” |
| ia | “yard” |
| ie | “yes” |
| ii | “ye” |
| io | “yodel” (in GA only) |
| iu | “unicorn” or “few” |
| ua | “suave” |
| ue | “wet” |
| ui | “we” |
| uo | “woe” (in GA only) |
| uu | “woo” |
| iy | “million” (the “io” part, that is) |
| uy | “was” (when unstressed) |