The word "Gilttail" is spelled with a /ɪlt/ sound, represented by the letters "il," followed by the sound /teɪl/ represented by the letters "tail." The first sound can also be spelled as "ill" or "el," while the second sound can be spelled as "tale" or "tail." The word itself is not a commonly used term, but it may refer to a fish species or be used poetically to describe a golden-tipped tail. It's important to remember that phonetic transcription can vary depending on individual regional accents.