Cases of word usage

1) duty, support, loyalty, (to a ruler or government) (allegiance)

2) government by a ruler who has unlimited power (autocracy)

3) a ruler with unlimited power (autocrat)

4) a written statement of rights, permission, especially from a ruler or government (e.g. to a town, city or university) (charter)

5) a husband or wife of a ruler (consort)

6) a ceremony of crowning a king, queen or other sovereign ruler (coronation)

7) an ornamental ring of gold, jewels etc worn on the head by a sovereign ruler (crown)

8) an order given by a ruler or authority and having the force of a law (decree)

9) a ruler with unlimited powers, especially one who uses these powers wrongly or cruelly (despot)

10) a ruler who has absolute authority, especially one who has obtained such power by force (dictator)