31. :Often they are simply refered to as sibilants to avoid making this distinction. 32. It is also used in the Shona language to write a whistled sibilant cluster. 33. The sibilants becomes retroflex before a retroflex consonant. 34. The voiceless alveolar sibilant is one of the most common sounds cross-linguistically. 35. Unusually, it has fricatives but no sibilants . 36. See History of Spanish ( Modern development of the Old Spanish sibilants ) for details. 37. Languages with no sibilants are fairly rare. 38. There are a large number of types of postalveolar sounds, especially among the sibilants . 39. Some scholars use the symbol to transcribe the laminal variant of the voiced retroflex sibilant . 40. The Chumashan languages are well known for their consonant harmony ( regressive sibilant harmony ).
