Focus on the pronunciation of disease
English definition of “disease”
/dɪˈziz/ n [C/U]
› a condition of a person, animal, or plant in which its body or structure is harmed because an organ or part is unable to work as it usually does; an illness: [C] Mumps is an infectious disease. [U] He suffers from heart disease. [U] Hundreds of thousands of trees died from Dutch elm disease.