“An alarming new survey has found that almost one in four parents fret constantly about whether they have the ability to raise their children properly.”

“You break the rules of your people, invite danger upon yourself and fret your mother.”

“… don't let the girth fret the horse's belly or you won't be able to ride him.”

“… over the span of thousands of years, the annual spring runoff fretted the rock, forming a deep channel.”

“… one of my customers always gets into a fret if I'm so much as 15 minutes late delivering his newspaper.”