it depends on what you're using the word for. if you say 'I had gotten a new camera', then no it isn't a word. :) hope this helped
Have you gotten to your work place? is acceptable.(Though, I prefer: Have you got to your work place?)
"Gotten" is generally considered acceptable American English grammar, but in British English, "got" is typically preferred.
No. Eariest is not an acceptable Scrabble word.
No. Fo is not an acceptable Scrabble word.
No. Wop is not an acceptable Scrabble word.
Yes, "nus" is an acceptable word in Scrabble.
Yes. Moot is an acceptable Scrabble word.
In my eyes yes RN is an acceptable scrabble word.
No. Excelsis is not an acceptable Scrabble word.
No. Viz is not an acceptable Scrabble word.
No. Cie is not an acceptable Scrabble word.
Abbreviations are not acceptable in Scrabble.