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

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

Erring led to unexpected discoveries in the experiment.

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

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

She often er when speaking, especially under pressure.

In his paper on Old English morphology, he noted that the obsolete plural suffix -er once formed the plurals of a handful of nouns.

When you add -er to 'London', you form the word 'Londoner' to denote a resident of that city.

In many words, adding -er to a verb turns it into someone who performs the action.

When forming nouns, adding the suffix -er often creates a word that refers to a person or thing connected with an action, such as teacher or runner.