| pnwgmc-e-lowering | ē > ā |
| pnwgmc-word-final-long-o | ō > ū / _# |
| pnwgmc-final-high-vowel-shortening | [+syllabic,+high] > [-long] / _# |
| pnwgmc-w-before-u | w > ∅ / C_u |
| pnwgmc-a-before-m | a > u / _m |
| pnwgmc-er | e > a / _r |
| pnwgmc-weak-verb-alternation | -ōjan/-ējan |
| pnwgmc-stress |
| pnwgmc-pronunciation | b > β |
| pnwgmc-orthography | β > b |