greet vs wish

greet is not a noun while wish is a noun.

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

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

Other hyponyms of greet include shake hands, bob, curtsy, salute, present, salute, salute, hail, herald, receive, welcome, say farewell, bid.

greet (noun)	wish (noun)
	the particular preference that you have
	an expression of some desire or inclination
	(usually plural) a polite expression of desire for someone's welfare
	a specific feeling of desire

greet (verb)	wish (verb)
react to in a certain way	invoke upon
express greetings upon meeting someone	order politely; express a wish for
send greetings to	make or express a wish
be perceived by	feel or express a desire or hope concerning the future or fortune of
	to hope, to desire or to prefer to have something, or to do something