Producing /ɔɪ/

How to produce /ɔɪ/

Before anything else, get the articulation right. The right mouth position makes the sound effortless.

/ɔɪ/
CHOICE diphthong
Lips: rounded
Tongue: mid-back
Voicing: voiced
💡 Start at rounded /ɔ/, glide forward to /ɪ/.

Key production cues:

Round lips for /ɔ/, then glide up to /ɪ/.

Practice the sound in isolation

Before trying words, practice the sound on its own. Record yourself. Does it match?

1. Say /ɔɪ/ in isolation — hold it for 2 seconds.
2. Say /ɔɪ/ quickly, 5 times in a row: /ɔɪ-ɔɪ-ɔɪ-ɔɪ-ɔɪ/.
3. Compare your recording to a native reference.

Try a few isolated words

These words all contain /ɔɪ/ in different positions — beginning, middle, and end:

• Beginning: oil, point, boy
• Middle: joy, toy, coin
• End / in clusters: voice, noise, employ

/ɔɪ/CHOICE diphthongArticulator diagram · regional variants · drill ↗