to discharge /dɪsˈtʃɑːrdʒ/ /dɪsˈtʃɑːdʒ/
to dismiss /dɪˈsmɪs/ /dɪsˈmɪs/
to fire /fɑɪr/ /ˈfaɪə/
to sack /sæk/ /sæk/