Pronunciation: [ɡˈe͡ɪdə͡l] (IPA)
Correct spelling for the English word "Gadelle" is [ɡˈe͡ɪdə͡l], [ɡˈeɪdəl], [ɡ_ˈeɪ_d_əl] (IPA phonetic alphabet).
Correct spelling for Gadelle