Possessive plural of words ending in "-eau"

[nq:1]Given a word of French origin which ends in "-eau" and whose plural is created by adding an "x", such as "gateau" or "chateau" (in British English, at least), how is the possessive plural formed?[/nq]
There's no firm rule on this. In many cases, either "x" or "s" is acceptable. The more the word is felt to be English, the more likely it is that "s" is used. You won't see "plateaux" very

[nq:2]Given a word of French origin which ends in "-eau" ... British English, at least), how is the possessive plural formed?[/nq]
[nq:1]There's no firm rule on this. In many cases, either "x" or "s" is acceptable. The more the word is ... how to tell it I want only "plateaux" and not "plateau." The + key doesn't do it. Can anyone help?[/nq]
And now to answer the question actually asked ..

[nq:2]Given a word of French origin which ends in "-eau" ... British English, at least), how is the possessive plural formed?[/nq]
[nq:1]There's no firm rule on this. In many cases, either "x" or "s" is acceptable. The more the word is ... "plateaux" and not "plateau." The + key doesn't do it. Can anyone help? Bob Lieblich Anglophone as they come[/nq]
He asked for possessive plurals. The g

[nq:2]There's no firm rule on this. In many cases, either ... Can anyone help? Bob Lieblich Anglophone as they come[/nq]
[nq:1]He asked for possessive plurals. The gateaux' ingredients? The plateaux' inhabitants? I don't think so. I'd rather reformulate and write about the ingredients of the gateaux, the inhabitants of the plateau.[/nq]
Indeed. One only has to sound this out to realise how

[nq:1]Indeed. One only has to sound this out to realise how ugly it is. Gattoses and plattoses? Not for me.- Hide quoted text - - Show quoted text -[/nq]
I am not sure which pronunciation you are recommending: gateaux's is the same as Louis's - the first is pronounced Gato-oes, and the other Loo-ees.

[nq:1]Given a word of French origin which ends in "-eau" and whose plural is created by adding an "x", such as "gateau" or "chateau" (in British English, at least), how is the possessive plural formed?[/nq]
gateaux'
chateaux'
etc.
Adrian

[nq:1]gateaux' chateaux' etc. Adrian[/nq]
As you will see in my post earlier, I toyed with these and decided they didn't exist; I see I may have been right after all. Also that Fundamentals of Spelling Instruction by Myrna J. Walters says "To form the possessive of plural nouns, add only an
apostrophe"
www.spellingsociety.org/bulletins/quarterly/q2.pdf

[nq:2]gateaux' chateaux' etc. Adrian[/nq]
[nq:1]As you will see in my post earlier, I toyed with these and decided they didn't exist; I see I ... of Spelling Instruction by Myrna J. Walters says "To form the possessive of plural nouns, add only an apostrophe" www.spellingsociety.org/bulletins/quarterly/q2.pdf[/nq]
That is the rule (page 14 right-hand column, middle of the page) for forming

[nq:1]I tried to do some Google counts, but I haven't figure out how to tell it I want only "plateaux" and not "plateau." The + key doesn't do it. Can anyone help? Bob Lieblich Anglophone as they come[/nq]
It is pretty straightforward.
Singular: the gateau's icing
Plural: the gateaux's icing.

[nq:2]Given a word of French origin which ends in "-eau" ... British English, at least), how is the possessive plural formed?[/nq]
[nq:1]There's no firm rule on this. In many cases, either "x" or "s" is acceptable. The more the word is ... how to tell it I want only "plateaux" and not "plateau." The + key doesn't do it. Can anyone help?[/nq]
Have you tried the minus key in front of 'platea