viscus vs breadbasket

viscus and breadbasket both are nouns.

Word	Noun	Adjective	Verb	Adverb
viscus	Yes	No	No	No
breadbasket	Yes	No	No	No

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

viscus: a main organ that is situated inside the body
breadbasket: an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion

viscus (noun)	breadbasket (noun)
a main organ that is situated inside the body	a basket for serving bread
	an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion
	a geographic region serving as the principal source of grain