English vs Korean language in Korean
영어vs한국말

영어English
영어 means English, the language used in countries like the United States and the UK. In school, you can use this word when you talk about English class, homework, books, or speaking English. You can also use it to say that something is in English.
When to use English
한국말Korean language
한국말 means the Korean language. You use it when talking about speaking, learning, hearing, or using Korean at school and in daily life. It is a common, easy word for the language people speak in Korea.
When to use Korean languageHow they differ
영어 means the English language, not Korean. At school, you can study both 영어 and Korean, but they are different languages.