Pronunciation: [mˈɜːsa͡ɪɪŋ] (IPA)
Correct spelling for the English word "merciing" is [mˈɜːsa͡ɪɪŋ], [mˈɜːsaɪɪŋ], [m_ˈɜː_s_aɪ_ɪ_ŋ] (IPA phonetic alphabet).
Correct spelling for merciing