Welldron or Welldrain: How To spell?

The word Welldron is misspelled against Welldrain, a verb meaning "To drain, as land; by means of wells, or pits, which receive the water, and from which it is discharged by machinery."

Word contains consecutive vowels 'AI' in between alphabets welldr & n is misspelled as 'O'
Wrong Spelling:  welldr-o-n 
Correct Spelling:  welldr-ai-n 
Find more incorrect spellings of Welldrain to spell right way.

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