In the poem, the minstrel mourned the lost eres of the kingdom.

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

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

In the conjugation chart, he ers.

The committee reviewed the errings in last year's audit and recommended stricter controls.

Linguists note that adding -ers to a base word often produces playful, informal coinages originating in school slang.

The be-ers gathered to celebrate their shared commitment to simply being.

Erring on the side of caution, she double-checked every detail before submitting the report.

Erring led to unexpected discoveries in the experiment.

Erring on the side of caution, she postponed the trip until the weather cleared.