judicial doctrine vs legal principle

judicial doctrine and legal principle both are nouns.

Word	Noun	Adjective	Verb	Adverb
judicial doctrine	Yes	No	No	No
legal principle	Yes	No	No	No

As nouns, judicial doctrine and legal principle are synonyms defined as:

judicial doctrine and legal principle: (law) a principle underlying the formulation of jurisprudence

Other synonyms of judicial doctrine include judicial principle.

judicial doctrine (noun)	legal principle (noun)
(law) a principle underlying the formulation of jurisprudence	(law) a principle underlying the formulation of jurisprudence