redundancy check vs parity check

redundancy check and parity check both are nouns.

Word	Noun	Adjective	Verb	Adverb
redundancy check	Yes	No	No	No
parity check	Yes	No	No	No

As nouns, redundancy check and parity check are synonyms defined as:

redundancy check and parity check: a system of checking for errors in computer functioning

Other synonyms of redundancy check include odd-even check.

redundancy check (noun)	parity check (noun)
a system of checking for errors in computer functioning	a system of checking for errors in computer functioning