greet vs bid

greet is not a noun while bid is a noun.

Word	Noun	Adjective	Verb	Adverb
greet	No	No	Yes	No
bid	Yes	No	Yes	No

As verbs, bid is a hyponym of greet; that is, bid is a word with a more specific, narrower meaning than greet:

greet (noun)	bid (noun)
	an attempt to get something
	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

greet (verb)	bid (verb)
react to in a certain way	ask someone in a friendly way to do something
express greetings upon meeting someone	invoke upon
send greetings to	ask for or request earnestly
be perceived by	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