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)

過激[kageki] extreme
過激派[kagekiha] radical party
感激[kangeki] deep emotion
急激[kyuugeki] sudden
矯激[kyougeki] radical

激臭[gekishuu] strong odor
激化[gekika] intensification
激減[gekigen] dropping sharply
激賞[gekishou] enthusiastic praise
激情[gekijou] violent emotion

高が[takaga] it's only ... (something)
意気軒高[ikikenkou] in high spirits
異常高温[ijoukouon] abnormally high temperatures
一斉高[isseidaka] all-round (market) advance
雲高[unkou] height of clouds

円高[endaka] high-valued yen
価値高い[kachitakai] valuable
可能性が高い[kanouseigatakai] very likely
勘定高い[kanjoudakai] calculating
気高い[kedakai] sublime