bid vs open sesame

bid and open sesame both are nouns.

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

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

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

bid (noun)	open sesame (noun)
an attempt to get something	any very successful means of achieving a result
a formal proposal to buy at a specified price	a magical command; used by Ali Baba
(bridge) the number of tricks a bridge player is willing to contract to make
an authoritative direction or instruction to do something

bid (verb)	open sesame (verb)
ask someone in a friendly way to do something
invoke upon
ask for or request earnestly
propose a payment
make a demand, as for a card or a suit or a show of hands
make a serious effort to attain something