When spell-check can't help you: The Scripps National Spelling Bee publishes a consolidated list of 23,413 unique words. Here are a few, ahem, vexing examples. Okay, spellers -- on your mark, get set, go:
| Fieriness | Frangipane |
| Intussuscept | Lanai |
| Pharisaic | Tussock |
| Ugli | Umbelliferous |
| Umpirage | Vallecula |
| Vaticinate | Vicennial |
| Viomycin | Wampumpeag |
| Wassailer | Weald |
| Whitsunday | Yautia |
| Zoonosis | Zygote |