蒼惶[soukou] hurry
蒼惶として[soukoutoshite] in great haste
恐惶謹言[kyoukoukingen] Very truly yours (a complimentary close used in a letter written in an old epistolary style)

恐惶敬白[kyoukoukeihaku] Very truly yours (a complimentary close used in a letter written in an old epistolary style)
惶遽[koukyo] being afraid and panicked
惶懼[kouku] being struck with awe

古色蒼然[koshokusouzen] antique-looking
蒼い[aoi] blue
蒼褪める[aozameru] to become pale
蒼白い[aojiroi] pale
蒼惶[soukou] hurry

蒼白色[souhakushoku] pale
蒼茫[soubou] dusky
蒼々[aoao] verdant
鬱蒼[ussou] thick