Cerauno- is a Greek root word that often denotes lightning or electricity. Another synonym for cerauno- is fulgur-, which is also derived from Greek and also refers specifically to lightning. Another related synonym could be electro-, which relates to electricity but is not necessarily associated with lightning. Additionally, the root word astr- has been used to refer to lightning, as have the words bront- and tonitr-. These various synonyms allude to the power, awe, and danger associated with lightning, and can be used interchangeably depending on the specific context or tone of the writing.