hunk vs nodule

hunk and nodule both are nouns.

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

As nouns, nodule is a hyponym of hunk; that is, nodule is a word with a more specific, narrower meaning than hunk:

hunk: a large piece of something without definite shape
nodule: (mineralogy) a small rounded lump of mineral substance (usually harder than the surrounding rock or sediment)

Other hyponyms of hunk include nugget.

hunk (noun)	nodule (noun)
a large piece of something without definite shape	a small node
a well-built sexually attractive man	(mineralogy) a small rounded lump of mineral substance (usually harder than the surrounding rock or sediment)
	small rounded wartlike protuberance on a plant