repeated /rɪˈpiːtɪd/ /rɪˈpiːtɪd/
frequent /ˈfrikwənt/ /ˈfriːkwənt/
periodic /ˌpɪriˈɑdɪk/ /ˌpɪərɪˈɒdɪk/
recurrent /rɪˈkʌrənt/ /rɪˈkʌrənt/
