Pronunciation: [dˌa͡ʊn ˈɒnz] (IPA)
Correct spelling for the English word "down ons" is [dˌa͡ʊn ˈɒnz], [dˌaʊn ˈɒnz], [d_ˌaʊ_n ˈɒ_n_z] (IPA phonetic alphabet).