tyrannising BrE
tyrannizing AmE

There was no fear of its tyrannising over itself.

Instead of seeing it as a fair system under which 'everyone' has equal rights, they saw it as the numerically preponderant poor tyrannizing over the rich.

The boyish side of Buddy was absent, yet there was something childlike in his tyrannizing, and at his most demanding he was like a kid bellowing for candy.