Pronunciation

Say these words aloud. Three of the words in each group have the same sound. 

One of them has a different sound. Which is the odd one out?

1. vote flown north smoke

2. toe draw door         boring

3. call short aubergine yawn

4. shoulder notice open snore

5. walk old         more tall

Key 

1. north

2. toe

3. aubergine

4. snore

5. old