royal court vs entourage

royal court and entourage both are nouns.

Word	Noun	Adjective	Verb	Adverb
royal court	Yes	No	No	No
entourage	Yes	No	No	No

As nouns, entourage is a hypernym of royal court; that is, entourage is a word with a broader meaning than royal court:

Other hypernyms of royal court include cortege, retinue, suite.

royal court (noun)	entourage (noun)
the sovereign and his advisers who are the governing power of a state	the group following and attending to some important person
the family and retinue of a sovereign or prince