bidding vs countermand

bidding and countermand both are nouns.

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

As nouns, countermand is a hyponym of bidding; that is, countermand is a word with a more specific, narrower meaning than bidding:

Other hyponyms of bidding include order, charge, commission, direction, commandment, injunction, behest, open sesame.

bidding (noun)	countermand (noun)
a request to be present	a contrary command cancelling or reversing a previous command
(bridge) the number of tricks a bridge player is willing to contract to make
an authoritative direction or instruction to do something

bidding (verb)	countermand (verb)
	cancel officially