hospital

types of hospital: medical center American English a big hospital 

maternity hospital :for women who are having a baby   

mental hospital/psychiatric hospital :for people who are mentally ill
 

clinic :for people receiving a particular kind of treatment 

hospice : for people who are dying
 

nursing home  : for old people 

parts of a hospital: A&E also casualty British English, emergency room American English, operating theatre British English/operating room American English, ward, unit
 

people in a hospital: doctor, nurse, surgeon, patient, orderly