timing vs regulating

timing and regulating both are nouns.

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

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

timing: the regulation of occurrence, pace, or coordination to achieve a desired effect (as in music, theater, athletics, mechanics)
regulating: the act of controlling or directing according to rule

Other hypernyms of timing include regulation.

timing (noun)	regulating (noun)
the regulation of occurrence, pace, or coordination to achieve a desired effect (as in music, theater, athletics, mechanics)	the act of controlling or directing according to rule
the time when something happens