/yo͞oTHəˈnāZH(ē)ə/
noun
1. the painless killing of a patient suffering from an incurable and painful disease or in an irreversible coma
[Oxford English Dictionary]
[Oregon Public Health Division]
/ˈhäspəs/
noun
2. a facility or program designed to provide a caring environment for meeting the physical and emotional needs of the terminally ill
[Merriam-Webster Dictionary]