The spelling of the word "fleance" is derived from the character in Shakespeare's play Macbeth. The correct pronunciation of "fleance" is /ˈfleɪəns/ which can be broken down into its phonetic elements. The first syllable "fle" is pronounced as "flay" with a long "a" sound. The second syllable "ance" is pronounced as "əns" with a short "a" sound. When the two syllables are combined, the resulting sound is "flay-əns". Therefore, the spelling of "fleance" aligns with its phonetic pronunciation.