to accept /əkˈsept/ /əkˈsɛpt/
to acknowledge /ækˈnɑlɪʤ/ /əkˈnɒlɪdʒ/
to admit /ədˈmɪt/ /ədˈmɪt/
to take on /teɪk ɑn/ /teɪk ɒn/
to undertake /ˌʌndərˈteɪk/ /ˌʌndəˈteɪk/