The spelling of the word "Jewstone" is relatively straightforward once you understand the sound system of English. The IPA phonetic transcription for the word is /dʒuːstəʊn/. The first sound represents the "j" sound in "jump", followed by the long "u" sound in "goose". The third sound is the "s" sound in "snake", while the fourth sound is the "t" sound in "time". The final sound is the "oh" sound in "no". Overall, "Jewstone" is spelled in a way that accurately represents the pronunciation of the word.