bayed: It’s an unacceptable way to refer to bay windows or to bump-outs that create a curved area, usually a sitting area or dining nook. Rewrite to eliminate.
bay-windowed: This is an unacceptable adjective. Use with a bay window, or eliminate.
his-and-her: Although this is not technically wrong, avoid whenever possible to avoid the sexism inherent in the term. Use dual, double, or separate as appropriate.
island kitchen: The kitchen is not an island nor is it on an island. Use kitchen with an island or include the island in another way.
compartmented toilet: Sorry, toilets are not divided in sections that we need to specify. Use separate toilet area or toilet compartment.
mother-in-law’s apartment: Use guest apartment, guest suite, guest quarters, grandparent suite.