This is the 2612th most frequent Swedish word.
rehab
Rehab: Rehabilitation, often referring to treatment for addiction or recovery from injury.
The usage of 'rehab' in this sentence refers to rehabilitation, typically a facility or program aimed at recovery or treatment of health or addiction issues.
Jag måste gå på rehab för att förbättra min hälsa.
I need to go to rehab to improve my health.
Here, 'rehab' is used as part of a compound word 'rehabavdelning', referring to a hospital department dedicated to rehabilitation.
De startade en ny rehabavdelning på sjukhuset.
They started a new rehab department at the hospital.
In this sentence, 'rehab' is used in the term 'rehabcenter', referring to a specialized center for recovery and rehabilitation.