rudiments vs basics

rudiments and basics both are nouns.

Word	Noun	Adjective	Verb	Adverb
rudiments	Yes	No	No	No
basics	Yes	No	No	No

As nouns, basics is a hypernym of rudiments; that is, basics is a word with a broader meaning than rudiments:

Other hypernyms of rudiments include basic principle, bedrock, fundamental principle, fundamentals.

As nouns, rudiments and basics are synonyms defined as:

rudiments (noun)	basics (noun)
the elementary stages of any subject (usually plural)	principles from which other truths can be derived
a statement of fundamental facts or principles	a statement of fundamental facts or principles