frightening /ˈfrɑɪt.ən.ɪŋ/ /ˈfraɪtnɪŋ/
daunting /ˈdɔntɪŋ/ /ˈdɔːntɪŋ/
scary /ˈskɛri/ /ˈskeəri/
intimidating /ɪnˈtɪmɪˌdeɪtɪŋ/ /ɪnˈtɪmɪdeɪtɪŋ/