viscera vs entrails

viscera and entrails both are nouns.

Word	Noun	Adjective	Verb	Adverb
viscera	Yes	No	No	No
entrails	Yes	No	No	No

As nouns, viscera and entrails are synonyms defined as:

viscera and entrails: internal organs collectively (especially those in the abdominal cavity)

Other synonyms of viscera include innards, insides.

viscera (noun)	entrails (noun)
internal organs collectively (especially those in the abdominal cavity)	internal organs collectively (especially those in the abdominal cavity)