Kaolin and Terra-cotta

Kaolin 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).

Terra-cotta and kaolin are semantically related. In some cases you can replace phrase "Terra-cotta" with "Kaolin", this terms are similar.

Kaolin and terra-cotta are semantically related. Sometimes you can use "Kaolin" instead a noun phrase "Terra-cotta".