Richard Wordingham wrote:

>English and Welsh have different collating
>sequences even though they seem to share the same alphabet when push
>comes to shove. (I believe it has been admitted that the
>surname 'Jones' is acceptable when writing Welsh.)
>
>

And also borrowed words like "jam" and "garej". More interesting is
"kilo", since Welsh does not normally have a k. And it is subject to
soft mutation as if it were a c, so one speaks of "dau gilo o..." for 2
kilos of...

~mark