The spelling of the word "Xanthide" can be a bit confusing when it comes to pronunciation. It is pronounced as /ˈzænθaɪd/ which means that the "x" is actually pronounced as a "z". The "th" is also pronounced as a "θ" which is the voiceless dental fricative sound. The "i" is pronounced as a long "a" sound and the "d" is pronounced as a voiced dental plosive. So, the correct IPA transcription for Xanthide is /ˈzænθaɪd/.