His work is overflowing with life force.

His insight greatly contributed to the success of the business.

His masticatory force is surprisingly strong.

Tidal force is the force that causes the tides of the Earth's oceans.

He demonstrated strong willpower to overcome the difficulty.

This tin toy is old, but it's still beautiful.

Her femininity is truly wonderful.

His speech has persuasiveness.

His ability to concentrate is astonishing.

The extent of his vocabulary strength indicates that he is an avid reader.