N - (N can be a mutation of D, and "Ngh" can be a mutation of C)
Word element
| Meaning | Example of use (sound file links underlined) |
| nant, (plural nentydd, nannau) | brook | Nantgaredig |
| newydd | new | Cas-newydd (Newport) |
O
Word element
| Meaning | Example of use (sound file links underlined) |
| odyn | kiln | |
| onnen, (plural onn,ynn) | ash tree | Craft-yr-onnen |
|