insides vs entrails

insides and entrails both are nouns.

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

As nouns, insides and entrails are synonyms defined as:

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

Other synonyms of insides include innards, viscera.

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