Carbuncle and Pustulate

Carbuncle noun - Deep-red cabochon garnet cut without facets.

Pustulate and carbuncle are semantically related. In some cases you can replace term "Pustulate" with "Carbuncle", this nouns are similar.

Pustulate adjective - (of complexion) blemished by imperfections of the skin.

Carbuncle and pustulate are semantically related. You can use "Carbuncle" instead a noun "Pustulate".