nodule vs node

nodule and node both are nouns.

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

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

nodule (noun)	node (noun)
a small node	(computer science) any computer that is hooked up to a computer network
(mineralogy) a small rounded lump of mineral substance (usually harder than the surrounding rock or sediment)	any bulge or swelling of an anatomical structure or part
small rounded wartlike protuberance on a plant	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