What is the TH sound?

The TH sound is made with your tongue lightly between your teeth and steady airflow. English has two TH sounds: unvoiced /th/ and voiced /th/.

Voiced vs unvoiced TH

  • Unvoiced TH: think, three, thanks
  • Voiced TH: this, those, brother

Common mistakes

  • Replacing TH with S or Z
  • Replacing TH with T or D
  • Hiding the tongue too far behind the teeth

Quick TH drill

  1. think - this
  2. thin - then
  3. thank - that
  4. thought - though

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