jus soli vs legal principle

jus soli and legal principle both are nouns.

Word	Noun	Adjective	Verb	Adverb
jus soli	Yes	No	No	No
legal principle	Yes	No	No	No

As nouns, legal principle is a hypernym of jus soli; that is, legal principle is a word with a broader meaning than jus soli:

jus soli: the principle that a person's nationality at birth is determined by the place of birth
legal principle: (law) a principle underlying the formulation of jurisprudence

Other hypernyms of jus soli include judicial doctrine, judicial principle.

jus soli (noun)	legal principle (noun)
the principle that a person's nationality at birth is determined by the place of birth	(law) a principle underlying the formulation of jurisprudence