wich words were considered obscene or swear words in the new world?

I recall "Mother" is an unmentionable and obscene word.

Really anything to do with natural birth like baby is considered profane, "Yes, a baby–and I was its mother." She flung the obscenity like a challenge into the outraged silence...chapter 10

"Mother" and "father" are obscene words that may be used scientifically on rare, carefully chosen occasions to label ancient sources of psychological problems.