Pronunciation: [swˈa͡ɪnsfɛðə] (IPA)
Correct spelling for the English word "swinesfeather" is [swˈa͡ɪnsfɛðə], [swˈaɪnsfɛðə], [s_w_ˈaɪ_n_s_f_ɛ_ð_ə] (IPA phonetic alphabet).