The spelling of the word "tarrietia" is tricky and requires knowledge of phonetics to decipher it accurately. In IPA phonetic transcription, the word is spelled as /təˈraɪtiə/. The first syllable, "tar," is pronounced with a schwa sound followed by an "r" sound. The second syllable, "riet," is pronounced with a long "I" sound and ends with a "t" sound. The final syllable, "ia," is pronounced with a schwa sound followed by an "a" sound. Overall, the word "tarrietia" is a challenging word to spell and pronounce.