Underheid or Underhead: How To spell?
The word Underheid is misspelled against Underhead, a noun meaning "A blockhead, or stupid person; a dunderhead."
Underhead has vowels 'ea' together mispronounced as 'ei'Word contains consecutive vowels 'EA' in between alphabets underh & d is misspelled as 'EI'
Wrong Spelling:  underh-ei-d  Correct Spelling:  underh-ea-d 
Find more wrongly spelled words of Underhead to spell it well.