Sumners is a surname that can be written /ˈsʌmnərz/. The first syllable is pronounced with the "u" sound as in "sun," followed by the "m" sound. The second syllable has the "ə" sound as in "the," followed by the "n" sound, and the last syllable has the "z" sound. The spelling of this word follows the rules of English phonics, in which each letter or combination of letters represents a specific sound. By applying these rules, we can spell out words like "Sumners" accurately.