If "C" is followed by"e" , "i" or "y" and follows "s", the "c" is silent as in the words
لا ينطق الحرف C اذا اتى بعده احد الحروف التاليه
e, I, Y
و قبله حرف
S
Whenever "C" and "K" are together ,
"C" is silent as in
اذا اجتمع حرف ال
C و ال K
لا ينطق حرف ال c
مثل
descend scenic scentdi scipline block brick buck check