Inpatient and Shut-in

Inpatient noun - A patient who is residing in the hospital where he is being treated.

Shut-in and inpatient are semantically related in invalid topic. In some cases you can use "Shut-in" instead a noun "Inpatient".

Shut-in noun - Someone who is incapacitated by a chronic illness or injury.

Inpatient and shut-in are semantically related in invalid topic. You can use "Inpatient" instead a noun phrase "Shut-in".