fundamentals vs fundamental principle

fundamentals and fundamental principle both are nouns.

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

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

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

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

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