Mock-up and Offprint

Mock-up noun - Full-scale working model of something built for study or testing or display.

Offprint and mock-up are semantically related. In some cases you can use "Offprint" instead a noun phrase "Mock-up".

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

Mock-up and offprint are semantically related. Sometimes you can use "Mock-up" instead a noun "Offprint".