bid vs speech act

bid and speech act both are nouns.

Word	Noun	Adjective	Verb	Adverb
bid	Yes	No	Yes	No
speech act	Yes	No	No	No

As nouns, speech act is a hypernym of bid; that is, speech act is a word with a broader meaning than bid:

bid (noun)	speech act (noun)
an attempt to get something	the use of language to perform some act
a formal proposal to buy at a specified price
(bridge) the number of tricks a bridge player is willing to contract to make
an authoritative direction or instruction to do something

bid (verb)	speech act (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