fundamentals vs basic principle

fundamentals and basic principle both are nouns.

Word	Noun	Adjective	Verb	Adverb
fundamentals	Yes	No	No	No
basic principle	Yes	No	No	No

As nouns, fundamentals and basic principle are synonyms defined as:

fundamentals and basic principle: principles from which other truths can be derived

Other synonyms of fundamentals include basics, bedrock, fundamental principle.

fundamentals (noun)	basic principle (noun)
principles from which other truths can be derived	principles from which other truths can be derived