Carbuncle and Hickey

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

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

Hickey noun - A small article the actual name of which one either does not know or cannot remember.

Carbuncle and hickey are semantically related in small swelling on the skin topic. Sometimes you can use "Carbuncle" instead a noun "Hickey".