tardiness vs timing

tardiness and timing both are nouns.

Word	Noun	Adjective	Verb	Adverb
tardiness	Yes	No	No	No
timing	Yes	No	No	No

As nouns, timing is a hypernym of tardiness; that is, timing is a word with a broader meaning than tardiness:

tardiness: the quality or habit of not adhering to a correct or usual or expected time
timing: the time when something happens

tardiness (noun)	timing (noun)
the quality or habit of not adhering to a correct or usual or expected time	the regulation of occurrence, pace, or coordination to achieve a desired effect (as in music, theater, athletics, mechanics)
	the time when something happens