The spelling of the word "Thamarra" can be explained using IPA phonetic transcription. The first syllable "tha" is pronounced as /ðə/, the second syllable "mar" is pronounced as /mɑːr/, and the final syllable "ra" is pronounced as /rə/. Therefore, the correct spelling of the word is "Thamarra". Spelling is essential in communication, and proper pronunciation helps to convey intended meaning accurately. Additionally, familiarizing oneself with IPA can assist with correct spelling and pronunciation.