gun A2

/ˈɡʌn/ the discharge of a firearm as signal or as a salute in military ceremonies

defense B1

/ˈdiːˌfɛns/ An argument in support or justification of something.

defend B1

/dɪˈfɛnd/ be the defense counsel for someone in a trial

fence A2

/fɛns/ enclose with a fence

offense B2

/əˈfɛns/ The act of offending.

offend B2

/əˈfɛnd/ cause to feel resentment or indignation