Words are neutral. But, the feelings about how they are arranged are not. They can be arranged in a way to provoke an emotional response. They can be presented in a way to do the same (yelling versus whisper). An arrangement of words that communicate a message of hostility could bring a hostile response. Same goes for kind, loving, and funny arrangements.
Words are just verbalized noises. Tone, connotation and ex<x>pression make a word good or bad. Salt can be a horrible 4 letter word if used as such.
???? That word throw you? Google it. It is a great word of it's own.
Some words have no beneficial use to anyone. Mostly racial slurs.