In Middle English, the suffix '-st' marks the second-person singular of verbs, as in 'thou lovest'.

When writing ordinal numbers, attach -st to a digit when the spelled number ends with 'first'.

In some dialects, -st is added to words as an excrescent suffix to smooth the rhyme and rhythm.

She added a band of rev st st to the hem to give the sweater a subtle texture.

I sts. forget people's names at parties.

Several sts. were closed for the festival, causing traffic delays.

Several sts in the old town were renamed last year.

Every morning, the old machine STs automatically to check its sensors.

At the festival, STs gathered around the fire to share ancient legends.

The city has renamed three Sts. after prominent activists.