bubo vs lymph node

bubo and lymph node both are nouns.

Word	Noun	Adjective	Verb	Adverb
bubo	Yes	No	No	No
lymph node	Yes	No	No	No

As nouns, lymph node is a hypernym of bubo; that is, lymph node is a word with a broader meaning than bubo:

bubo: a lymph node that is inflamed and swollen because of plague or gonorrhea or tuberculosis
lymph node: the source of lymph and lymphocytes

Other hypernyms of bubo include lymph gland, node, symptom.

bubo (noun)	lymph node (noun)
a lymph node that is inflamed and swollen because of plague or gonorrhea or tuberculosis	the source of lymph and lymphocytes