bedrock vs fundamentals

bedrock and fundamentals both are nouns.

Word	Noun	Adjective	Verb	Adverb
bedrock	Yes	No	No	No
fundamentals	Yes	No	No	No

As nouns, bedrock and fundamentals are synonyms defined as:

bedrock and fundamentals: principles from which other truths can be derived

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

bedrock (noun)	fundamentals (noun)
principles from which other truths can be derived	principles from which other truths can be derived
solid unweathered rock lying beneath surface deposits of soil