From Proto-Germanic to Proto-West Germanic
| From | To | Gloss | Steps | Expected |
|---|---|---|---|---|
| PGmc *nu | *nū | now | nu > nū | |
| PGmc *swa | *swā | so, thus | swa > swā | |
| PGmc *ba- | OE bēgen | both | ba- > bā > bǣ | bǣ |
| PGmc *fria- | OE frēo | free | fria- > fri > frī | frī |
| PGmc *ne | OE ne | not | ne > nē | nē |
| PGmc *twa- | OE twēgen | two | twa- > twā > twǣ | twǣ |
| PGmc *þa- | OE se | that, those | þa- > þā > þǣ | þǣ |
| PGmc *hʷa- | OE hwā | who? what? | hʷa- > hwa > hwā > hwǣ | hwǣ |