Pronunciation: [ɡˈat͡ʃɛl] (IPA)
Correct spelling for the English word "gatchell" is [ɡˈat͡ʃɛl], [ɡˈatʃɛl], [ɡ_ˈa_tʃ_ɛ_l] (IPA phonetic alphabet).
Correct spelling for gatchell