self-acting vs self-regulating

self-acting and self-regulating both are adjectives.

Word	Noun	Adjective	Verb	Adverb
self-acting	No	Yes	No	No
self-regulating	No	Yes	No	No

As adjectives, self-acting and self-regulating are synonyms defined as:

self-acting and self-regulating: designed to activate or move or regulate itself

Other synonyms of self-acting include self-activating, self-moving.

self-acting (adjective)	self-regulating (adjective)
designed to activate or move or regulate itself	designed to activate or move or regulate itself