Pronunciation: [dˈiːfˈɒnsɜːk] (IPA)
Correct spelling for the English word "DFONSERC" is [dˈiːfˈɒnsɜːk], [dˈiːfˈɒnsɜːk], [d_ˈiː_f_ˈɒ_n_s_ɜː_k] (IPA phonetic alphabet).