swiftness vs graduality

swiftness and graduality both are nouns.

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

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

swiftness: a rate (usually rapid) at which something happens
graduality: the quality of being gradual or of coming about by gradual stages

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

swiftness (noun)	graduality (noun)
a rate (usually rapid) at which something happens	the quality of being gradual or of coming about by gradual stages