The spelling of "Geanna" is based on the pronunciation of this name. In IPA phonetic transcription, it is spelled as [dʒiːnə]. This means that the first sound in the name is a "j" sound, like in the word "jump." The double "e" indicates that the following vowel sound is long, as in the word "seen." The final sound is an "uh" sound, like in the word "comma." In summary, the spelling of "Geanna" reflects the sounds used to pronounce it.