/θ/ as in "thigh" · /d/ as in "die"
| thigh | die |
| thread | dread |
| thin | din |
| thorn | dawn |
| theme | deem |
| thug | dug |
| Perth | purred |
| worth | word |
| faith | fade |
| Keith | keyed |
| bath | bard |
| berth | bird |
| both | bode |
| death | dead |
| deathly | deadly |
| fourth | ford |
| hearth | hard |
| north | gnawed |
| author | order |
| Cathy | caddy |
Read the words aloud, concentrating on the difference between the two consonant sounds.