Places of articulation

In the vocal tract, the airflow is restricted to produce speech sounds.

• Bilabial: Both lips touch (e.g., /p/, /b/).
• Labiodental: Lower lip touches upper teeth (e.g., /f/, /v/).
• Dental: Tongue touches teeth (e.g., /θ/ as in think).
• Alveolar: Tongue touches alveolar ridge (e.g., /t/, /d/).
• Palatal: Tongue touches the hard palate (e.g., /ʃ/ as in she).
• Velar: Tongue touches the soft palate (e.g., /k/, /g/).
• Glottal: Sound is produced at the vocal cords (e.g., /h/).