intestine vs bowel

intestine and bowel both are nouns.

Word	Noun	Adjective	Verb	Adverb
intestine	Yes	No	No	No
bowel	Yes	No	No	No

As nouns, intestine and bowel are synonyms defined as:

intestine and bowel: the part of the alimentary canal between the stomach and the anus

Other synonyms of intestine include gut.

intestine (noun)	bowel (noun)
the part of the alimentary canal between the stomach and the anus	the part of the alimentary canal between the stomach and the anus