arousal vs inflammation

arousal and inflammation both are nouns.

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

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

arousal (noun)	inflammation (noun)
the act of arousing	arousal to violent emotion
mutual sexual fondling prior to sexual intercourse	the act of setting something on fire
awakening from sleep	a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat
a state of heightened physiological activity	the state of being emotionally aroused and worked up