Pronunciation: [ɡɹˈə͡ʊzɪŋ] (IPA)
Correct spelling for the English word "growsing" is [ɡɹˈə͡ʊzɪŋ], [ɡɹˈəʊzɪŋ], [ɡ_ɹ_ˈəʊ_z_ɪ_ŋ] (IPA phonetic alphabet).