to betray /bɪˈtreɪ/ /bɪˈtreɪ/
to disclose /dɪˈskloʊz/ /dɪsˈkləʊz/
to reveal /rɪˈvil/ /rɪˈviːl/
to give away /gɪv əˈweɪ/ /gɪv əˈweɪ/