celerity vs quickness

celerity and quickness both are nouns.

Word	Noun	Adjective	Verb	Adverb
celerity	Yes	No	No	No
quickness	Yes	No	No	No

As nouns, celerity and quickness are synonyms defined as:

Other synonyms of celerity include rapidity, rapidness, speediness.

celerity (noun)	quickness (noun)
a rate that is rapid	a rate that is rapid
	intelligence as revealed by an ability to give correct responses without delay
	skillful performance or ability without difficulty