swiftness vs haste

swiftness and haste both are nouns.

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

As nouns, haste is a hyponym of swiftness; that is, haste is a word with a more specific, narrower meaning than swiftness:

Other hyponyms of swiftness include hastiness, hurriedness, hurry, precipitation, execution speed, graduality, gradualness.

swiftness (noun)	haste (noun)
a rate (usually rapid) at which something happens	the act of moving hurriedly and in a careless manner
	overly eager speed (and possible carelessness)
	a condition of urgency making it necessary to hurry