nodule vs hunk

nodule and hunk both are nouns.

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

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

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

Other hypernyms of nodule include lump.

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