Ultreyst or Ultraist: How To spell?

The word Ultreyst is misspelled against Ultraist, a noun meaning "One who pushes a principle or measure to extremes; an extremist; a radical; an ultra."

Word contains consecutive vowels 'AI' in between alphabets ultr & st is misspelled as 'EY'
Wrong Spelling:  ultr-ey-st 
Correct Spelling:  ultr-ai-st 
Explore spell check of Ultraist to spell without errors.

You might be interested to know

Upbreyding or Upbraiding?

Weynwright or Wainwright?

Acquanted or Acquainted?