Difference between to become diseased and illness in Korean
병들다·병

병들다to become diseased
병들다 means to become sick or diseased. It is often used for animals, plants, or parts of the body, and sometimes for a person in a serious or lasting way. In Korean, you can use it when something is not healthy anymore and starts to weaken.

병illness
"Byeong" means an illness or disease. Use it when you talk about being sick, getting an illness, or getting better after one. It is often used in simple everyday phrases like "because of an illness" or "get an illness" (병).
The difference
to become diseased (병들다) and illness (병) are nearby Korean vocabulary items learners often meet together. Use “to become diseased” when 병들다 means to become sick or diseased. It is often used for animals, plants, or parts of the body, and sometimes for a person in a serious… Use “illness” when "Byeong" means an illness or disease. Use it when you talk about being sick, getting an illness, or getting better after one. It is often…