In dialect studies, the suffix -in marks a proscribed alternative form of -ing in casual speech.

When naming the molecule, the research team appended the suffix -in to indicate it was a neutral chemical compound.

The landlord's penny in the fusebox repair passed inspection only because the inspector didn't look closely.

The researchers studied neural development in utero to understand early brain formation.

He had to rein in his horse when it spooked at the passing carriage.

The old sage taught us the proverb 'proverbs hunt in pairs' to remind villagers that wisdom often comes matched.

If the weather forecast is accurate, we're in for a rough week.

When the starter was sent off, Maria had to go in goal and made three incredible saves to keep the score level.

The technician repaired the server in short order, restoring service before lunchtime.

A sudden storm can snow in hikers on the ridge for days.