there isn't any
Pretty sure it's fantasy violence, mild coarse language and maybe some sexual references.
Coarse language is language that is considered rude, vulgar, or offensive. It often includes swear words, insults, or other inappropriate words or phrases.
try downloading the mod that will disable the world space barrior
Occasional Coarse Language - 1998 is rated/received certificates of: Australia:M
Infrequent Coarse Language is moderate profanity
Using or containing insulting or coarse language
Of course the language in the play is coarse; it's Mamet.
Just open the console, and re-type the cheat to disable it. Or you may just re-load the game.
They swear a lot
since oblivion has basically no meaning in the Japanese language then it would just be oblivion
The usual synonym is "rough" but it could also be harsh, or crude (coarse person or language).
Infrequent coarse language