- C-Command
- Circumfix
- Clause
- Cleft Sentence
- Closed Syllable
- Coalescence
- Coda
- Coindexation
- Complement
- Complementary Distribution
- Complex Sentence
- Compound Sentence
- Compounding
- Concatenative Morphology
- Configurational Language
- Conjunction
- [Consonantal]
- Consonant
- [Constricted Glottis]
- Continuant
- Contour Tone Language
- Contradiction
- Contrastive Phoneme
- Coordinate Compound Sentence
- Coordination
- Coordinative Compounds
- Coronal
- [Coronal]