countermand vs repeal

countermand and repeal both are nouns.

Word	Noun	Adjective	Verb	Adverb
countermand	Yes	No	Yes	No
repeal	Yes	No	Yes	No

As verbs, countermand and repeal are synonyms defined as:

Other synonyms of countermand include annul, lift, overturn, rescind, reverse, revoke, vacate.

countermand (noun)	repeal (noun)
a contrary command cancelling or reversing a previous command	the act of abrogating; an official or legal cancellation

countermand (verb)	repeal (verb)
cancel officially	cancel officially