Dreadnaght or Dreadnaught: How To spell?

The word Dreadnaght is misspelled against Dreadnaught, a noun meaning "A fearless person."

Word contains consecutive vowels 'AU' in between alphabets dreadn & ght is misspelled as 'A' as letter 'U' is phonetically igno
Wrong Spelling:  dreadn-a-ght 
Correct Spelling:  dreadn-au-ght 
Explore spell check of Dreadnaught to spell without errors.

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