Welldraned or Welldrained: How To spell?

The word Welldraned is misspelled against Welldrained, which is past tense of "Welldrain"

Word contains consecutive vowels 'AI' in between alphabets welldr & ned is misspelled as 'A'
Wrong Spelling:  welldr-a-ned 
Correct Spelling:  welldr-ai-ned 
Explore spell check of Welldrained to spell without errors.

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