manual dexterity vs quickness

manual dexterity and quickness both are nouns.

Word	Noun	Adjective	Verb	Adverb
manual dexterity	Yes	No	No	No
quickness	Yes	No	No	No

As nouns, quickness is a hypernym of manual dexterity; that is, quickness is a word with a broader meaning than manual dexterity:

Other hypernyms of manual dexterity include adeptness, adroitness, deftness, facility.

manual dexterity (noun)	quickness (noun)
adroitness in using the hands	a rate that is rapid
	intelligence as revealed by an ability to give correct responses without delay
	skillful performance or ability without difficulty