Undreymt or Undreamt: How To spell?

The word Undreymt is misspelled against Undreamt, an adjective meaning "Not dreamed, or dreamed of; not th/ught of; not imagined; -- often followed by of."

Undreamt has vowels 'ea' together mispronounced as 'ey'
Word contains consecutive vowels 'EA' in between alphabets undr & mt is misspelled as 'EY'
Wrong Spelling:  undr-ey-mt 
Correct Spelling:  undr-ea-mt 
Explore spell check of Undreamt to spell without errors.

You might be interested to know

Unreyson or Unreason?

Vengeyble or Vengeable?

Weyrily or Wearily?