It’s also worth noting that it did not appear in any of the “thieves’ slang” dictionaries of the time.
Did the ‘c’ word appear? I know that that has an even earlier recorded history than the ‘F’ word and has definitely been around for at least as long. (Although having said that, many medieval streets in England that were places were prostitutes plied their trade were called things like ‘Gropec*** Lane’, perhaps there was a time when the ‘F’ word was considered much worse than the ‘C’ word...