turned on vs aroused

turned on and aroused both are adjectives.

Word	Noun	Adjective	Verb	Adverb
turned on	No	Yes	No	No
aroused	No	Yes	No	No

As adjectives, turned on and aroused are synonyms defined as:

Other synonyms of turned on include horny, randy, ruttish, steamy.

turned on (adjective)	aroused (adjective)
feeling great sexual desire	(of persons) excessively affected by emotion
	aroused to action
	emotionally aroused
	keenly excited (especially sexually) or indicating excitement
	feeling great sexual desire
	brought to a state of great tension