NotSpaghetti
I think all my children would have come across most of these words - but I doubt all their children will have.
I think I haven't heard "gown" used since I was about 20!
Oh no! My grandparents, and then my parents had a shop. It sold ladies clothes. It was always referred to as a ladies gown shop. To this day if we talk about it we always say gown shop. Anyone selling ladies clothes is in the Gown Trade.
And I still say ballgown.
My niece is a barrister and she wears a gown in court.
Graduates wear a cap and gown.
All bridal designers refer to wedding gowns, not wedding dresses.
When you go to, or stay in, a hospital, you wear a hospital gown.
Lots of people still wear dressing gowns.
I don't know what I would say instead of gown.