Pronunciation: [ˌɛkssˌiːˈɛl] (IPA)
Correct spelling for the English word "xcl" is [ˌɛkssˌiːˈɛl], [ˌɛkssˌiːˈɛl], [ˌɛ_k_s_s_ˌiː__ˈɛ_l] (IPA phonetic alphabet).
Correct spelling for xcl