Pronunciation: [ˈe͡ɪd͡ʒənst͡ʃə] (IPA)
Correct spelling for the English word "Agenstia" is [ˈe͡ɪd͡ʒənst͡ʃə], [ˈeɪdʒənstʃə], [ˈeɪ_dʒ_ə_n_s_tʃ_ə] (IPA phonetic alphabet).