General Sickness:
* The sickness spread quickly through the village.
* He was bedridden with a mysterious sickness.
* The doctor prescribed medication to combat the sickness.
* The sickness left her feeling weak and exhausted.
Specific Illness:
* The doctor diagnosed her with a severe sickness called pneumonia.
* The sickness known as malaria is spread by mosquitoes.
* The sickness that swept through the hospital was highly contagious.
* Despite the sickness that plagued the city, life went on.
Figurative Language:
* His greed was a sickness that consumed him.
* The sickness of corruption spread through the government.
* The sickness in her heart was a deep sadness.
* The sickness of war had a devastating impact on the nation.
Metaphorical:
* The sickness of doubt plagued her decision-making.
* The sickness of prejudice is a disease that must be eradicated.
* The sickness of loneliness can be just as debilitating as any physical ailment.
Note: The word "sickness" is often used in a general sense, referring to any kind of illness or disease. However, it can also be used more specifically, referring to a particular illness. It can also be used metaphorically, to describe something that is harmful or destructive.