The Spanish word 'cocal' meaning 'coconut grove' is formed from two parts: 'coco' (meaning 'coconut tree') and the suffix '-al'. The word 'coco' comes from Portuguese 'côco', which meant both 'ghost' and 'coconut' - the connection possibly coming from the face-like appearance of the three marks on the coconut shell. The suffix '-al' in Spanish is used to indicate a place where something grows or is found in abundance, similar to how we might add '-yard' or '-grove' in English.

A simpler related Spanish word is 'coco', which means 'coconut' or 'coconut tree'. This is a more basic and commonly encountered word that students might already know. While 'coco' refers to the individual tree or fruit, 'cocal' refers to an entire plantation or grove where coconut trees grow.

While English 'coconut' isn't directly related (it's actually a compound of 'coco' + 'nut'), English has borrowed the word 'coco' in various compounds and derivatives. For example, 'cocoa butter' and 'coco palm' both use this same root, though 'cocoa' itself is actually a different word with a separate etymology from Nahuatl 'cacaua'.