China clay and Pug

China clay noun - A fine usually white clay formed by the weathering of aluminous minerals (as feldspar); used in ceramics and as an absorbent and as a filler (e.g., in paper).

Pug and china clay are semantically related. In some cases you can use "Pug" instead a noun phrase "China clay".

Pug noun - One that engages in the sport of fighting with the fists.

China clay and pug are semantically related. You can use "China clay" instead a noun "Pug".