Pronunciation: [ˈɛlt͡ʃa͡ɪ] (IPA)
Correct spelling for the English word "eltchi" is [ˈɛlt͡ʃa͡ɪ], [ˈɛltʃaɪ], [ˈɛ_l_tʃ_aɪ] (IPA phonetic alphabet).