"Hyperbola" and "ellipse" are geometrical curves, while "hyperbole" and "ellipsis" are rhetorical terms. At face value, it's not clear how the meanings of "hyperbola" and "ellipse" relate to those of "hyperbole" and "ellipsis", but the history of these pairs of cognates are indeed closely intertwined. To start learning a new language for free with native speakers from around the world, check out the HelloTalk app at: https://go.hellotalk.com/wordsforgranted