Dredable or Dreadable: How To spell?

The word Dredable is misspelled against Dreadable, an adjective meaning "Worthy of being dreaded."

Dreadable has vowels 'ea' together mispronounced as 'e'
Word contains consecutive vowels 'EA' in between alphabets dr & dable is misspelled as 'E'
Wrong Spelling:  dr-e-dable 
Correct Spelling:  dr-ea-dable 
Explore spell check of Dreadable to spell without errors.

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