haste vs urgency

haste and urgency both are nouns.

Word	Noun	Adjective	Verb	Adverb
haste	Yes	No	No	No
urgency	Yes	No	No	No

As nouns, urgency is a hypernym of haste; that is, urgency is a word with a broader meaning than haste:

haste (noun)	urgency (noun)
the act of moving hurriedly and in a careless manner	pressing importance requiring speedy action
overly eager speed (and possible carelessness)	insistent solicitation and entreaty
a condition of urgency making it necessary to hurry	the state of being urgent; an earnest and insistent necessity
	an urgent situation calling for prompt action