The spelling of the word "Mesia" can be explained using IPA phonetic transcription. It is pronounced as /mɛsiə/. The first syllable "me" is pronounced as /mɛ/, with the "e" pronounced as in "red". The second syllable "si" is pronounced as /si/, with the "s" sound followed by the long "e" sound. The final syllable "a" is pronounced as /ə/, with the "a" sound pronounced as in "about". The correct spelling of this word is important for clear communication and understanding.