course
The article is part of the word: de cursus. That way you learn the gender with it.
On the card “course”, ripiti also accepts de opleiding. Not the other way round: for de opleiding, de cursus is not accepted.
Remember de cursus for good. ripiti brings the word back just before you forget it, with these sentences. Free, no account needed, works offline.
practise de cursus in ripiti