快復[kaifuku] restoration
快い[kokoroyoi] pleasant
快楽[kairaku] pleasure
快楽主義[kairakushugi] hedonism
快濶[kaikatsu] cheerful

快感[kaikan] pleasant feeling
快挙[kaikyo] brilliant achievement
快哉[kaisai] joy
快作[kaisaku] splendid work
快事[kaiji] pleasure

一般生活[ippanseikatsu] everyday life
隠退生活[intaiseikatsu] secluded life
火山活動[kazankatsudou] volcanic activity
快活[kaikatsu] cheerful
活火山[kakkazan] active volcano

活気[kakki] energy
活況[kakkyou] activity
活劇[katsugeki] action picture
活字[katsuji] printing type
活字体[katsujitai] printed form (of writing)

迂濶[ukatsu] careless
快濶[kaikatsu] cheerful
久濶を叙す[kyuukatsuwojosu] to apologize for a long neglect of friends (apologise)
天空海濶[tenkuukaikatsu] the open sky and the serene sea

久濶[kyuukatsu] not having met or contacted someone for a long time
濶達[kattatsu] openhearted
濶歩[kappo] striding
自由濶達[jiyuukattatsu] free and easy

迂闊[ukatsu] careless
快闊[kaikatsu] cheerful
天空海闊[tenkuukaikatsu] the open sky and the serene sea
久闊[kyuukatsu] not having met or contacted someone for a long time
寛闊[kankatsu] generous

闊達[kattatsu] openhearted
闊歩[kappo] striding
宏闊[koukatsu] spacious
横行闊歩[oukoukappo] swaggering
闊葉樹[katsuyouju] broad-leaved tree