Pronunciation: [ˈʌn kˈɑːmz] (IPA)
Correct spelling for the English word "un calms" is [ˈʌn kˈɑːmz], [ˈʌn kˈɑːmz], [ˈʌ_n k_ˈɑː_m_z] (IPA phonetic alphabet).
Correct spelling for un calms