The spelling of the name Mykah is based on the pronunciation of the name. The name is pronounced as /ˈmaɪkə/ with two syllables represented by 'My' and 'kah' respectively. The 'My' sound is represented by the letter sequence 'My', while the 'kah' sound is represented by 'kah'. The letter 'k' is used instead of 'c' to represent the hard sound of the letter 'k'. Overall, the spelling of 'Mykah' accurately reflects the pronunciation of the name.