She erred when she dismissed his concerns, and later apologized.

The committee erred by approving the plan without consulting the engineers.

To form informal agent nouns from abbreviations like 'CEO', some speakers simply append -'er to the abbreviation, producing forms such as CEO'er.

Ere is taught to children in several villages on Manus Island, preserving its unique grammar and songs.

Come 'ere and help me lift this chair.

Stay 'ere a bit while I fetch your coat.

'ere, I want that last slice of cake, so back off.

I was going to, er, tell you about the meeting tomorrow.

She often er when speaking, especially under pressure.

He gave up three ER in the fourth inning, which cost the team the game.