課外(授業)

[keannu2]

1. Is "いくつか" proper in saying "let's check out a few words"?
2. Which is more commonly used of "課外(授業)" and "課外"?

OK、まずいくつかの単語を確認しましょう。
학원 : "학원" は "塾"
과외 : "과외" は "課外(授業) "

 

[SomeCallMeChris]

1. Yes, it's fine.
2. If you want to say 課外授業, you'll need to say just that. 課外 by itself doesn't mean 課外授業.
課外活動 - Wikipedia may help.