arousal vs incitation

arousal and incitation both are nouns.

Word	Noun	Adjective	Verb	Adverb
arousal	Yes	No	No	No
incitation	Yes	No	No	No

As nouns, incitation is a hyponym of arousal; that is, incitation is a word with a more specific, narrower meaning than arousal:

arousal: the act of arousing
incitation: an act of urging on or spurring on or rousing to action or instigating

arousal (noun)	incitation (noun)
the act of arousing	an act of urging on or spurring on or rousing to action or instigating
mutual sexual fondling prior to sexual intercourse	something that incites or provokes; a means of arousing or stirring to action
awakening from sleep
a state of heightened physiological activity