The spelling of the word "more centennial" is fairly straightforward thanks to the consistent English spelling rules. The word is pronounced as /mɔː(r) sɛnˈtɛnɪəl/ and consists of two recognizable root words, "more" and "centennial." "More" means "additional" or "greater," while "centennial" relates to a hundred-year period, such as an anniversary or celebration. By combining these roots, "more centennial" refers to something that is even more celebratory or historic than an ordinary centennial event.