self-activating vs self-acting

self-activating and self-acting both are adjectives.

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

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

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

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

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