| There are five place contrasts for oral and nasal obstruents, and four for approximants. |
| Another common feature is that the level of tone is lowered after the occurrence of certain depressor consonants, namely voiced fortis obstruents. |
| The final essay treats sibilants and the difficulty of placing them within the parameters of the analysis of obstruents. |
| Whereas obstruents are frequently voiceless, sonorants are almost always voiced. |
| In phonetics, articulation may be divided into two large classes, obstruents and sonorants. |
| Sonorants contrast with obstruents, which do stop or cause turbulence in the airflow. |
