There are several synonyms for the word "unwellnesses." Some of these synonyms include sickness, illness, disease, malady, ailment, disorder, and infirmity. Each of these words can be used to describe a state of being physically or mentally unwell. For example, one might say that they are suffering from a sickness if they have a cold or flu, or they might say that they have an ailment if they have a chronic condition such as arthritis. Whatever word is used, it is clear that "unwellnesses" is a broad term that encompasses a wide range of physical and mental health issues.