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2026-09-21 · Pronunciation Hack

Three Stops in Thai, Two in English: Untangling P, B, and Aspiration

Thai's three-way stop system doesn't map cleanly onto English's two-way system - here's how to sort it out.

sourced

Thai distinguishes three types of sounds at the start of words - plain, voiced, and a puffed-out aspirated version - while English really only asks you to separate two categories: sounds made with a puff of air ('p,' 't,' 'k') and sounds made without much puff but with your voice buzzing ('b,' 'd,' 'g'). Because the systems don't line up one-to-one, English 'p' vs 'b,' or 't' vs 'd,' can get blurred by Thai speakers reaching for a Thai category that doesn't quite match. Try 'pie/bye,' 'tie/die,' 'coat/goat' - feel a strong puff of air on the first word of each pair, and a gentle throat buzz starting right away on the second. Today, hold your hand near your mouth and test five such pairs, checking for the puff on one and the buzz on the other. This targeted contrast practice makes a real difference in how clearly you're understood!

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Sources (1)
  • Acoustic dimensions defining the word-initialEnglishstopvoicing...
    • Spanish Voiceless, Thai Plain, and Korean Fortis categories map onto both English voiced and voiceless stops.
    • Acoustic dimensions used to define stop voicing in English show significant overlap with those used in other languages.
    • The study reveals that perceived phonetic categories are not always mutually exclusive across different linguistic contexts.

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