Adobe and Kaolin

Adobe noun - Sun-dried brick; used in hot dry climates.

Kaolin and adobe are semantically related In some cases you can use "Kaolin" instead a noun "Adobe".

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).

Adobe and kaolin are semantically related in workable earth material topic. You can use "Adobe" instead a noun "Kaolin".