恐らく[osoraku] perhaps
恐れ[osore] fear
恐れ戦く[osoreononoku] to tremble with fear
恐れ入る[osoreiru] to be sorry
恐ろしい[osoroshii] terrible

恐喝[kyoukatsu] blackmail
恐慌[kyoukou] panic
恐妻家[kyousaika] hen-pecked husband
恐妻病[kyousaibyou] wife-phobia
恐縮[kyoushuku] feeling obliged

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

あっと言う間に[attoiumani] just like that
からと言って[karatoitte] while it may be true that
斯う言う[kouiu] such
して言えば[shiteieba] if I must say (choose)
ずばずば言う[zubazubaiu] to speak one's mind

そうかと言って[soukatoitte] but still
だからと言って[dakaratoitte] while it may be true that
と言うのは[toiunoha] means
と言う物[toiumono] something like ...
とも言う[tomoiu] also called

謹んで[tsutsushinde] respectfully
謹賀新年[kingashinnen] Happy New Year!
謹啓[kinkei] Dear Sir or Madam
謹言[kingen] Yours Sincerely ...
謹慎[kinshin] penitence

謹製[kinsei] quality product
謹聴[kinchou] listening attentively
謹呈[kintei] humbly presenting
重謹慎[juukinshin] close confinement (in one's barracks)
謹み[tsutsushimi] modesty