How do you spell Cipher?
Correct spelling
cipher
From Arabic sifr, zero. PH makes F sound.
Why is cipher spelled this way?
From Arabic sifr, zero — the concept of zero itself came to Europe through Arabic mathematics. CIPH + ER, where PH makes an F.
Common misspellings of cipher
cyphersifercifersifar
Example
The message was written in an unbreakable cipher.