Carbuncle and Pustules

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

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

Carbuncle and pustules are semantically related in lump topic. Sometimes you can use "Carbuncle" instead a noun "Pustules", if it concerns topics such as swelling, pimple, blister, small swelling on the skin.