Of all of the rare types of mutation, this one has the widest use. It's used for prepositions, prefixes, and conjunctions ending in L or R. The -L and -R would remain unchanged.
| Letter | → | Result | Example |
|---|---|---|---|
| Voiceless Stops | |||
| C | → | CH | cerin mound → or cherin over a mound |
| P | → | PH | perian hobbit → or pherian over a hobbit |
| T | → | TH | talan tree-house → or thalan over a tree-house |
| Voiced Stops | |||
| B | → | V | brith gravel → or vrith over gravel |
| D | → | DH | draug wolf → or dhraug over a wolf |
| G | → | ' | glân hem → or 'lân over a hem |
| Fricative | |||
| H | → | CH | ham chair → or cham over a chair |
| Nasal | |||
| M | → | V | mirian silver coin → or virian over a silver coin |
| Voiceless Approximants | |||
| HW | → | CHW | hwand sponge → or chwand over a sponge |
| LH | → | 'L | lhing spiderweb → or 'ling over a spiderweb |
| RH | → | 'R | rhass precipice → or 'rass over a precipice |