亢奮[koufun] excitement
興奮剤[koufunzai] stimulant
獅子奮迅[shishifunjin] being irresistible
奮い立つ[furuitatsu] to cheer up
奮う[furuu] to muster (e.g. one's courage)

奮って[furutte] energetically
奮起[funki] stirring
奮迅[funjin] impetuous dash forward
奮戦[funsen] hard fighting
奮闘[funtou] hard struggle

意気軒昂[ikikenkou] in high spirits
昂奮[koufun] excitement
軒昂[kenkou] high-spirited
昂ぶる[takaburu] to be highly strung
昂騰[koutou] sudden price jump

昂揚[kouyou] enhancement
激昂[gekkou] excited
昂然[kouzen] elated
昂進[koushin] rising
心悸昂進[shinkikoushin] palpitations (of the heart)