bubo

/ˈbjuː.bəʊ/

IPA: /B UW1 B OW0/

noun
  1. 1

    An inflamed swelling of a lymph node, especially in the armpit or the groin, due to an infection such as bubonic plague, gonorrhea, tuberculosis or syphilis.

Source: https://en.wiktionary.org/wiki/bubo