Focus on the pronunciation of invitation
English definition of “invitation”
/ˌɪn·vɪˈteɪ·ʃən/ n [C] (not standard invite /ˈɪn·vɑɪt/) (REQUEST TO COME)
› a written or spoken request to come somewhere or do something, or the act of inviting someone: We received their wedding invitation today. He accepted the invitation to join the committee.