[giantandroids]

That does not sound right at all, its a very common a word in the UK.

Fortnight derives from Old English "fēowertyne niht", meaning "fourteen nights"

Are you sure that was not the case for non native speaking folks in living in the UK.

[yitchelle]

I think you are correct. It was many years ago but I remembered that they mentioned to be that they have just moved to the UK.