威喝[ikatsu] threatening
一喝[ikkatsu] cry in a thundering voice
喝采[kassai] acclamation
喝破[kappa] arguing someone down
恐喝[kyoukatsu] blackmail

脅喝[kyoukatsu] threat
恫喝[doukatsu] intimidation
大喝[daikatsu] shouting in a thunderous voice
恐喝罪[kyoukatsuzai] (the crime of) extortion
拍手喝采[hakushukassai] clapping and cheering

お大事に[odaijini] take care of yourself
暗黒大陸[ankokutairiku] Dark Continent (i.e. Africa)
伊勢大神宮[isedaijinguu] the Grand Shrines of Ise
伊勢大廟[isetaibyou] the Grand Shrines of Ise
偉大[idai] greatness

医科大学[ikadaigaku] medical school
医大[idai] medical university
井の中の蛙大海を知らず[inonakanokawazutaikaiwoshirazu] parochial
一大[ichidai] one large ...
一大事[ichidaiji] serious affair