Hardback and Offprint

Hardback noun - A book with cardboard or cloth or leather covers.

Offprint and hardback are semantically related. In some cases you can use "Offprint" instead a noun "Hardback".

Offprint noun - A separately printed article that originally appeared in a larger publication.

Hardback and offprint are semantically related. Sometimes you can use "Hardback" instead a noun "Offprint".