cacao

— Therefore they left Port à Paix just as the first streaks of gray were appearing in the east, depending on a good hot cup of cacao and a couple of bananas to nourish them sufficiently until they could enjoy the breakfast that Dave would prepare for them at the end of their morning’s share of the day’s trip. […] “Doctor, we always say ‘cocoa’ in the north, but you and all these people where it grows say ‘cacao,’ I notice. How is that?” asked Hal. / “There are four very distinct vegetable growths that have names so much alike that they are constantly mixed in the minds of those who are not botanists or do not know them in nature,” the Doctor began. “These are: Cacao berries, Coca leaves, Coco roots, and Cocoa nuts.[…]”