bidding vs open sesame

bidding and open sesame both are nouns.

Word	Noun	Adjective	Verb	Adverb
bidding	Yes	No	No	No
open sesame	Yes	No	No	No

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

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

bidding (noun)	open sesame (noun)
a request to be present	any very successful means of achieving a result
(bridge) the number of tricks a bridge player is willing to contract to make	a magical command; used by Ali Baba
an authoritative direction or instruction to do something