appendix vs cecal appendage

appendix and cecal appendage both are nouns.

Word	Noun	Adjective	Verb	Adverb
appendix	Yes	No	No	No
cecal appendage	Yes	No	No	No

As nouns, appendix and cecal appendage are synonyms defined as:

appendix and cecal appendage: a vestigial process that extends from the lower end of the cecum and that resembles a small pouch

Other synonyms of appendix include vermiform appendix, vermiform process.

appendix (noun)	cecal appendage (noun)
a vestigial process that extends from the lower end of the cecum and that resembles a small pouch	a vestigial process that extends from the lower end of the cecum and that resembles a small pouch
supplementary material that is collected and appended at the back of a book