This is -c- sound which sounds like /s/
When the letter c is before or after a the letters e, i or y, it is pronounced as a soft c /s/
If it is not before these letters, then it is pronounced as a hard /k/
Word List
celebrate
celebrity
cemetery
centigrade
centimetres
certificate
cigarette
coincidence
concert
cylinder
cynical
absence
advance
apprentice
capacity
deceased
difference
distance
electricity
innocent
magnificent
practice
practise
recent
specimen
vacancy