| Vowels | |||||||
| 11 Diphthongs | Short + ㅣ | Hangul | ㅐ | ㅔ | ㅚ | ㅟ | ㅢ |
| Romanisd | ae | e | oe | wi | ui | ||
| Tamil | எ | ஏ | வெ | வி, வீ | ui | ||
| Long + ㅣ | Hangul | ㅒ | ㅖ | ||||
| Romanisd | yae | ye | |||||
| Tamil | யெ | யே | |||||
| w + short + short | Hangul | ㅘ | ㅝ | ||||
| Romanisd | wa | wo | |||||
| Tamil | வா | வோ | |||||
| w + short + short + ㅣ | Hangul | ㅙ | ㅞ | ||||
| Romanisd | wae | we | |||||
| Tamil | வே | (வே)வௌ | |||||