The singular "eggplant" should also be marked correct.
it is written as terong
Most people call it as "terong", but in KBBI (Kamus Besar Bahasa Indonesia) it is written as "terung"
Is aubergine acceptable instead of eggplant. The former is used in most English speaking countries except USA and Canada.
Absolutely. That is also how we call it in the Netherlands. The Indonesian version is a lot smaller but also long-shaped. It does not look like an egg....