Bedsitting room and Studio apartment

Bedsitting room noun - A furnished sitting room with sleeping accommodations (and some plumbing).

Studio apartment and bedsitting room are semantically related. In some cases you can use "Studio apartment" instead a noun phrase "Bedsitting room".

Studio apartment noun - An apartment with a living space and a bathroom and a small kitchen.

Bedsitting room and studio apartment are semantically related. You can use "Bedsitting room" instead a noun phrase "Studio apartment".