Pronunciation: [sˈɛlfwɜːθs] (IPA)
Correct spelling for the English word "selfworths" is [sˈɛlfwɜːθs], [sˈɛlfwɜːθs], [s_ˈɛ_l_f_w_ɜː_θ_s] (IPA phonetic alphabet).
Correct spelling for selfworths