Unvoiced TH is a fricative that is made by bringing the tip of the tongue to the alveolar ridge, but not close enough to completely block the airflow. The sound is made with the vocal cords relaxed, so it sounds "breathy." The unvoiced TH sound is used in the words "thin" and "thumb." Here are some examples of words that contain sibilant sounds: snake zebra ship vision ocean city vision decision mission Here are some examples of words that contain unvoiced TH sounds: thin thumb think thank thought Thursday
This group of sound consists from the following sounds: θ