The spelling of the phrase "more sideways" is straightforward, with each word being pronounced as it appears on paper. The first word "more" is pronounced as /mɔːr/, with a long "o" sound and a silent "e" at the end. The second word "sideways" is pronounced as /ˈsaɪdweɪz/, where the "s" is pronounced with a sibilant "s" sound, and the "a" has a long "i" sound. The emphasis is on the first syllable, and the "y" and "z" sounds are pronounced with a slight pause between them.