| Phonological error patterns | 4;0–4;5 | 4;6–4;11 |
|---|---|---|
| Word-medial onset deletion | 4 (4) | 2 (2) |
| Word-final coda deletion | 4 (4) | 4 (4) |
| Liquid deletion | 16 (6) | 5 (4) |
| Stopping (for a fricative) | 23 (6) | 25 (4) |
| Affrication (for a fricative) | 1 (1) | 2 (2) |
| Stopping (for an affricate) | 7 (4) | 8 (3) |
| Velar fronting | 1 (1) | 1 (1) |
| etc. | 4 (2) | 1 (1) |