That is the correct spelling of the adjective "approximate" (rough, estimated).
You've spelled approximately correctly.
I believe the word you are asking of is "approximately".
The adjective for "about" is approximately (abbreviated approx.).
The spelling is "approximately" (an estimate), from the same root as proximity.
You spell it orbiting.You spell it orbiting.You spell it orbiting.You spell it orbiting.You spell it orbiting.You spell it orbiting.
If you are trying to spell musician that is how you spell it.
approximately
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Approximately
The correct spelling is approximately.
Possibly "approximately."
approximately
The correct spelling is "approximately."
The correct spelling is "approximately" (about, around).