Pantry and Stillroom

Pantry noun - A built-in space for storage behind a door.

Stillroom and pantry are semantically related. In some cases you can replace term "Stillroom" with "Pantry", this nouns are similar.

Stillroom noun - A pantry or storeroom connected with the kitchen (especially in a large house) for preparing tea and beverages and for storing liquors and preserves and tea etc.

Pantry and stillroom are semantically related. You can use "Pantry" instead a noun "Stillroom".