陰弁慶[kagebenkei] lion at home but weakling elsewhere
慶ぶ[yorokobu] to be delighted
慶賀[keiga] congratulation
慶事[keiji] auspicious event
慶祝[keishuku] congratulation

慶弔[keichou] congratulations and condolences
慶安[keian] agency for employing servants and arranging marriages (Edo period)
国慶節[kokkeisetsu] anniversary of founding (of PRC)
同慶[doukei] matter for mutual congratulation
内弁慶[uchibenkei] braggart

お早うございます[ohayougozaimasu] good morning
一刻も早く[ikkokumohayaku] immediately
いち早く[ichihayaku] promptly
口早[kuchibaya] rapid talking
最早[mohaya] already

時期が早い[jikigahayai] before scheduled
時期尚早[jikishousou] premature
時機尚早[jikishousou] before its time
早手[hayate] gale
手早い[tebayai] nimble