automatonlike vs automatic

automatonlike is not a noun while automatic is a noun.

Word	Noun	Adjective	Verb	Adverb
automatonlike	No	Yes	No	No
automatic	Yes	Yes	No	No

As adjectives, automatonlike and automatic are synonyms defined as:

automatonlike and automatic: resembling the unthinking functioning of a machine

Other synonyms of automatonlike include machinelike, robotic, robotlike.

automatonlike (noun)	automatic (noun)
	self-loading rifle capable of automatic fire
	a pistol that will keep firing until the ammunition is gone or the trigger is released

automatonlike (adjective)	automatic (adjective)
resembling the unthinking functioning of a machine	operating with minimal human intervention; independent of external control
	without volition or conscious control
	resembling the unthinking functioning of a machine