entremets vs side order

entremets and side order both are nouns.

Word	Noun	Adjective	Verb	Adverb
entremets	Yes	No	No	No
side order	Yes	No	No	No

As nouns, entremets and side order are synonyms defined as:

entremets and side order: a dish that is served with, but is subordinate to, a main course

Other synonyms of entremets include side dish.

entremets (noun)	side order (noun)
a dish that is served with, but is subordinate to, a main course	a dish that is served with, but is subordinate to, a main course