lymph node vs node

lymph node and node both are nouns.

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

As nouns, lymph node and node are synonyms defined as:

Other synonyms of lymph node include lymph gland.

lymph node (noun)	node (noun)
the source of lymph and lymphocytes	(computer science) any computer that is hooked up to a computer network
	any bulge or swelling of an anatomical structure or part
	the source of lymph and lymphocytes
	(astronomy) a point where an orbit crosses a plane
	(physics) the point of minimum displacement in a periodic system
	(botany) the small swelling that is the part of a plant stem from which one or more leaves emerge
	any thickened enlargement
	a connecting point at which several lines come together