YOU SAID:

something i've done is not what i said

INTO JAPANESE

私がやったことは私が言ったこととは違う

BACK INTO ENGLISH

What I did is different from what I said

INTO JAPANESE

私がしたことは私が言ったこととは異なります

BACK INTO ENGLISH

What I did is different than what I said

INTO JAPANESE

私がしたことは私が言ったこととは異なります

BACK INTO ENGLISH

What I did is different than what I said