Examples of P/B shifting can be found in some early heraldic chronicles where place names now ending in -burg were written as -purg.
What about the other end of 'pox', - the 'X' sound? Besides just -x, aren't there several other possibilities like -cks or -ckx that were used?
What about the other end of 'pox', - the 'X' sound? Besides just -x, aren't there several other possibilities like -cks or -ckx that were used?

