odd-even check vs redundancy check

odd-even check and redundancy check both are nouns.

Word	Noun	Adjective	Verb	Adverb
odd-even check	Yes	No	No	No
redundancy check	Yes	No	No	No

As nouns, odd-even check and redundancy check are synonyms defined as:

odd-even check and redundancy check: a system of checking for errors in computer functioning

Other synonyms of odd-even check include parity check.

odd-even check (noun)	redundancy check (noun)
a system of checking for errors in computer functioning	a system of checking for errors in computer functioning