How do you spell onist?

"Onist" is not a complete word in the English language. It's likely a fragment or misspelling of a longer word.

To help me figure out what you meant, could you please provide more context? For example:

* What were you trying to spell? Was it a specific word?

* What was the word about? What topic or subject were you discussing?

* Where did you see or hear this word?

With more information, I can help you find the correct spelling!