spark off vs actuate

spark off and actuate both are verbs.

Word	Noun	Adjective	Verb	Adverb
spark off	No	No	Yes	No
actuate	No	No	Yes	No

As verbs, spark off and actuate are synonyms defined as:

Other synonyms of spark off include activate, set off, spark, touch off, trigger, trigger off, trip.

spark off (verb)	actuate (verb)
put in motion or move to act	put in motion or move to act
	give an incentive for action