How to say 'vegetables' in Spanish: vegetales. The 'G' sound in Spanish is a 'hu' sound. You try it.
If you want to say something like 'I need to eat more vegetables', in Spanish you would say, "Necesito comer mas vegetales." You try it. Repeat after me: Necesito comer mas vegetales. Don't forget the 'hu' sound there in the middle. Try it; vegetales. That's how to say 'vegetables' in Spanish.