Thunderheyd or Thunderhead: How To spell?
The word Thunderheyd is misspelled against Thunderhead, a noun meaning "A rounded mass of cloud, with shining white edges; a cumulus, -- often appearing before a thunderstorm."
Thunderhead has vowels 'ea' together mispronounced as 'ey'Word contains consecutive vowels 'EA' in between alphabets thunderh & d is misspelled as 'EY'
Wrong Spelling:  thunderh-ey-d  Correct Spelling:  thunderh-ea-d 
Check more misspelled words of Thunderhead to spell it correct.