gut vs internal organ

gut and internal organ both are nouns.

Word	Noun	Adjective	Verb	Adverb
gut	Yes	No	Yes	No
internal organ	Yes	No	No	No

As nouns, internal organ is a hypernym of gut; that is, internal organ is a word with a broader meaning than gut:

Other hypernyms of gut include viscus.

gut (noun)	internal organ (noun)
a strong cord made from the intestines of sheep and used in surgery	a main organ that is situated inside the body
the part of the alimentary canal between the stomach and the anus
a narrow channel or strait

gut (verb)	internal organ (verb)
remove the guts of
empty completely; destroy the inside of