The Swedish term "chiffer, siffra, chiffer, nolla" matches the English term "cipher"

other swedish words that include "chiffer" : english :
chiffer, kod code
other swedish words that include "siffra" : english :
siffra digit
figur, siffra, gestalt, räkna, nummer figure
siffra numeral
other swedish words that include "nolla" : english :
noll, nolla naught
nolla, noll nought