Traetiser or Treatiser: How To spell?

The word Traetiser is misspelled against Treatiser, a noun meaning "One who writes a treatise."

Treatiser has vowels 'ea' together mispronounced as 'ae'
Word contains consecutive vowels 'EA' in between alphabets tr & tiser is misspelled as 'AE'
Wrong Spelling:  tr-ae-tiser 
Correct Spelling:  tr-ea-tiser 
Find more wrongly spelled words of Treatiser to spell it well.

You might be interested to know

Unaerned or Unearned?

Unraesoned or Unreasoned?

Vengaencely or Vengeancely?