to become vs to come true in Korean
되다vs이루어지다

되다to become
The word "되다" means "to become" or "to turn into." You use it when someone or something changes into a new state, time, job, or condition. It is very common in everyday Korean, like becoming a student, becoming evening, or becoming cheaper.
When to use to become
이루어지다to come true
이루어지다 means that a dream, wish, or hope becomes real. In English, we often say “come true.” Use it when something you wanted or waited for finally happens.
When to use to come trueHow they differ
되다 is a broad word for becoming or turning into something. 이루어지다 is specifically for a dream, plan, wish, or hope becoming real.