Pronunciation: [bɹˈa͡ʊn ˌɛfkˈe͡ɪ] (IPA)
Correct spelling for the English word "brown fk" is [bɹˈa͡ʊn ˌɛfkˈe͡ɪ], [bɹˈaʊn ˌɛfkˈeɪ], [b_ɹ_ˈaʊ_n ˌɛ_f_k_ˈeɪ] (IPA phonetic alphabet).