promptness vs punctuality

promptness and punctuality both are nouns.

Word	Noun	Adjective	Verb	Adverb
promptness	Yes	No	No	No
punctuality	Yes	No	No	No

As nouns, promptness and punctuality are synonyms defined as:

promptness and punctuality: the quality or habit of adhering to an appointed time

promptness (noun)	punctuality (noun)
the characteristic of doing things without delay	the quality or habit of adhering to an appointed time
the quality or habit of adhering to an appointed time