Suffering (noun)

1. Pain that is endured, typically physical pain.
2. A state of great distress or annoyance caused by the physical or emotional pain suffered.
3. Pain or hardship that is endured.
4. The state of undergoing pain, distress, or hardship.
5. An instance of great physical or mental pain or distress.

Origin:

Middle english: from old french souffrance, from latin sufferentia, from the verb sufferre "bear, endure".

Examples:

1. The patients were in constant suffering.
2. Her suffering was relieved by the medicine.
3. The refugees have been suffering for years.
4. The soldier's sufferings on the battlefield were immense.
5. His loss was a great source of suffering for the family.