Thai Tone Lookup

Enter any Thai word to discover its tone and learn the orthographic rules that determine it.

สวัสดี

2 Syllables

ส low

ด mid

Syllable 1: ส

low Tone

Initial

ส

Class

High-class

Tone Mark

None

Syllable

dead

High + Dead (long) = Low

Syllable 2: ด

mid Tone

Initial

ด

Class

Mid-class

Tone Mark

None

Syllable

live

Mid + Live (no mark) = Mid

Unlike some tonal languages, Thai has minimal tone sandhi. Each syllable's tone is determined independently by its spelling.

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