Carbuncle and Wheal

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

Wheal and carbuncle are semantically related In some cases you can use "Wheal" instead a noun "Carbuncle".

Wheal noun - A raised mark on the skin (as produced by the blow of a whip); characteristic of many allergic reactions.

Carbuncle and wheal are semantically related in swelling topic. Sometimes you can use "Carbuncle" instead a noun "Wheal".