Seen is the correct spelling when referring to sight.
For example: Have you seen the new film yet?
Scene is the correct spelling when referring to part of a play or film.
For example: I loved the car chase scene.
Seen - I have seen this painting before. Scene - The painting was of the most idyllic country scene one could imagine.
The correct spelling is "unnoticed" (not seen).
You can spell it Tom, Tommy, Thomas, or Tommie. I have seen Thom.
I have seen it spelled Chayse.
guess your best guess
This is the only way that I have ever seen Brent spelled.
visto
The correct spelling is "unnoticed" (not seen).
You can spell it Tom, Tommy, Thomas, or Tommie. I have seen Thom.
vu (Got it from Google Translate)
That is the correct spelling of "retrospectively" (seen in hindsight).
The word sought may be "observable" (able to be seen).
Although it is seen hyphenated, the spelling "nonbusiness" is acceptable.
I have seen it spelled Chayse.
guess your best guess
That is the correct spelling of "unprecedented" (unique, never seen before).
This is the only way that I have ever seen Brent spelled.
The correct spelling is superseded, although it is widely seen as superceded.