The word Helhound is misspelled against Hellhound, a noun meaning "A dog of hell; an agent of hell."
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Hellhound has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings he & hound which should not be misspelled with single 'L'
Wrong Spelling:  he-l-hound 
Correct Spelling:  he-ll-hound 
Check more misspelled words of Hellhound to spell it correct.