Pronunciation: [d͡ʒˈɔ͡ɪnθe͡ə] (IPA)
Correct spelling for the English word "Jointheir" is [d͡ʒˈɔ͡ɪnθe͡ə], [dʒˈɔɪnθeə], [dʒ_ˈɔɪ_n_θ_eə] (IPA phonetic alphabet).
Correct spelling for Jointheir