He plays as a centre back for the national team.

The center back made a crucial interception to stop the opposing team from scoring.

She is known for her back-stabby behavior.

He sat in the chair with a stiff-backed posture.

He gave her a pat-on-the-back for her hard work.

He always backs out of his commitments.

He backed out of the deal at the last minute.

The author provided a detailed back-story for each character in the novel.

She performed a perfect back dive.

I couldn't find my back scratcher, so I used a ruler instead.