Rock and Sima

Rock noun - A usually valuable stone cut and polished for ornament.

Sima and rock are semantically related. In some cases you can replace term "Sima" with "Rock", this nouns are similar.

Nearby Words: rocky, rocking, rocked, rocker, rockery

Sima noun - Rock that form the continuous lower layer of the earth's crust; rich in silicon and magnesium.

Rock and sima are semantically related. You can use "Rock" instead a noun "Sima".