/θ/ as in "thin" · /s/ as in "sin"
| thin | sin |
| thick | sick |
| thought | sort |
| theme | seem |
| thong | song |
| thigh | sigh |
| thorn | sawn |
| thumb | some |
| thud | sud |
| Perth | purse |
| faith | face |
| kith | kiss |
| north | Norse |
| worth | worse |
| mouth | mouse |
| fourth | force |
| path | pass |
| pith | piss |
| growth | gross |
| youth | use (noun) |
Read the words aloud, concentrating on the difference between the two consonant sounds.