Mastering the 'Th' Sound: Voiced vs. Voiceless Pronunciation (B2 English) — B2 English pronunciation lesson by Langcom

Mastering the ‘Th’ Sound: Voiced vs. Voiceless Pronunciation (B2 English)

Raúl Maguiña

Gründer von Langcom | Prüfer für Cambridge- und SIELE-Prüfungen

Juli 29, 2026

B2🔊 Pronunciation⏱️ 5 Minuten Lesezeit
The English ‘th’ sound has two distinct pronunciations: voiceless /θ/ and voiced /ð/. Mastering these sounds is crucial for clear communication in English. The voiceless /θ/ sound, as in think oder bath, is made without vibrating your vocal cords. In contrast, the voiced /ð/ sound, found in words like this oder mother, requires your vocal cords to vibrate. Both sounds involve placing your tongue lightly between your upper and lower teeth. Understanding and practicing the difference will significantly improve your spoken English, helping you to be understood more easily and sound more natural. This lesson will guide you through how to produce each sound correctly and when to use them.

What Are the Two ‘Th’ Sounds in English?

The letter combination th in English is unique because it represents two different sounds. These sounds are known as ‘fricatives’ because air is forced through a narrow opening in your mouth.

  • Voiceless /θ/: This sound is produced without any vibration in your vocal cords. It is like a soft ‘s’ or ‘f’ sound, but with your tongue in a different position.
  • Voiced /ð/: For this sound, your vocal cords vibrate, creating a buzzing feeling in your throat. It is similar to a ‘z’ or ‘v’ sound, but again, with your tongue between your teeth.

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How Do You Make the ‘Th’ Sounds?

The tongue position is the same for both th sounds. The key difference is whether your vocal cords vibrate.

  • Tongue Position: Gently place the tip of your tongue between your upper and lower front teeth. It should stick out slightly.
  • Airflow: Push air out of your mouth over your tongue. Do not block the air completely.
  • Voiceless /θ/: Keep your vocal cords relaxed. You should only hear the air escaping, like a gentle hiss. Try saying think oder three.
  • Voiced /ð/: Vibrate your vocal cords as you push the air out. You should feel a buzzing sensation in your throat and on your tongue. Try saying this oder that.

When Do We Use Voiceless /θ/ vs. Voiced /ð/?

While there are no absolute rules, some patterns can help you predict which th sound to use.

  • Voiceless /θ/ is common:
    • At the beginning of most content words (nouns, verbs, adjectives): thank, theory, thin.
    • At the end of many words: bath, mouth, truth.
    • In the middle of some words: athlete, sympathy.
  • Voiced /ð/ is common:
    • At the beginning of most function words (articles, pronouns, conjunctions): the, this, they.
    • In the middle of many words: mother, weather, bother.
    • At the end of some verbs: breathe, bathe.

Remember that these are general guidelines, and exceptions exist. Listening carefully to native speakers is always the best way to learn.

Minimal Pairs: Hear the Difference

Minimal pairs are words that differ by only one sound. Practicing these pairs can help you distinguish between /θ/ und /ð/.

  • bath (/bæθ/) vs. bathe (/beɪð/)
  • ether (/ˈiːθər/) vs. either (/ˈaɪðər/ oder /ˈiːðər/)
  • thin (/θɪn/) vs. then (/ðɛn/)
  • worth (/wɜːrθ/) vs. worthy (/ˈwɜːrði/)

Beispiele

  • I think this thing is the best.
  • My mother and father are thirty-three.
  • Can you breathe through your mouth?
  • She has a healthy tooth.
  • I thought they would come together.

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Häufige Fehler bei Spanischsprechern

Many Spanish speakers, and learners from other language backgrounds, find the th sounds challenging. A common mistake is substituting them with sounds that exist in their native language.

  • Substituting /t/ oder /d/:
    • Wrong: I tink so. (for I think so.)
    • Wrong: Where is de book? (for Where is the book?)
    • Right: I think so.
    • Right: Where is the book?
  • Substituting /s/ oder /z/:
    • Wrong: I need a bas. (for I need a bath.)
    • Wrong: Is zis your car? (for Is this your car?)
    • Right: I need a bath.
    • Right: Is this your car?

Remember to place your tongue between your teeth for the correct th sound, rather than behind them.

Häufig gestellte Fragen

Is ‘th’ always pronounced the same way?

No, the letter combination th has two distinct pronunciations: the voiceless /θ/ (as in three) and the voiced /ð/ (as in the).

How can I practice the ‘th’ sound effectively?

Practice in front of a mirror to check your tongue position. Listen carefully to native speakers and try to imitate them. Repeat minimal pairs like bath und bathe.

Why is correct ‘th’ pronunciation important for B2 learners?

Correct pronunciation improves clarity and helps avoid misunderstandings. It also makes your English sound more natural and confident, which is important at a B2 level.

Are there any words where ‘th’ is silent?

Generally, no. The th is almost always pronounced as either /θ/ oder /ð/. Very few exceptions exist, like in some specific names or medical terms, but these are rare.

Does ‘th’ pronunciation appear in English exams?

Yes, clear pronunciation of sounds like th is assessed in the speaking sections of exams like Cambridge B2 First or IELTS. Mispronunciations can affect your fluency and clarity scores.

Über den Autor: Raúl Maguiña

Raúl Maguiña ist Leiter der Asociación Educativa Langcom, einem autorisierten Cambridge English-Vorbereitungszentrum in USA. Mit mehr als einem Jahrzehnt Erfahrung in der Sprachausbildung und der internationalen Zertifizierung hat er Tausenden von Schülern, Lehrern und Bildungseinrichtungen in 25 Ländern zu Cambridge-, IELTS-, TOEFL- und Michigan-Englischzertifikaten verholfen.

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