If she found it so disgusting she would've tripped up over its use and it wouldn't have so naturally rolled off her tongue.
Precisely. Even when retelling a story - anyone who REALLY finds that word repugnant would NEVER have used it. They would have said “n word” or “a word I won’t repeat beginning with “n.”
Heck, I have trouble saying the second half of Governor Ah-nold’s name out loud because it sounds like...well, you know.