digestive system vs systema alimentarium

digestive system and systema alimentarium both are nouns.

Word	Noun	Adjective	Verb	Adverb
digestive system	Yes	No	No	No
systema alimentarium	Yes	No	No	No

As nouns, digestive system and systema alimentarium are synonyms defined as:

digestive system and systema alimentarium: the system that makes food absorbable into the body

Other synonyms of digestive system include gastrointestinal system, systema digestorium.

digestive system (noun)	systema alimentarium (noun)
the system that makes food absorbable into the body	the system that makes food absorbable into the body