引っ叩く[hippataku] to slap
手を叩く[tewotataku] to clap
目叩く[shibataku] to twinkle (e.g. stars)
袋叩き[fukurodataki] beat someone up by ganging up on
叩き[tataki] mince (minced meat or fish)

叩きのめす[tatakinomesu] to knock down
叩き割る[tatakiwaru] to smash
叩き起こす[tatakiokosu] to wake up
叩き込む[tatakikomu] to drive into
叩き出す[tatakidasu] to begin to strike

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