"More towery" refers to something that is taller or more tower-like. The spelling of the word is based on its pronunciation, which is /mɔː tawəri/. The first part, "more," is pronounced with the long o sound /mɔː/ and the second part, "towery," uses the same sound followed by the schwa sound /tawəri/. The spelling of the word accurately reflects its pronunciation, making it easier for readers to understand the meaning of the phrase.