 “prevalence” (Language) In English In transliterated Tounsi بالتونسي  “prevalence”(in English)      prevalent, everywhere                                                                           شَايِعْ                          chayi3  Chicken pox is very prevalent among children.             مرض إلحصبى شايع برشا عند إصغار mrdh 2il7sba chy3 brch 3nd 2isghr