Underdraon or Underdrain: How To spell?

The word Underdraon is misspelled against Underdrain, a noun meaning "An underground drain or trench with openings through which the water may percolate from the soil or ground above."

Word contains consecutive vowels 'AI' in between alphabets underdr & n is misspelled as 'AO'
Wrong Spelling:  underdr-ao-n 
Correct Spelling:  underdr-ai-n 
Find more incorrect spellings of Underdrain to spell right way.

You might be interested to know

Vaosya or Vaisya?

Waoved or Waived?

Algebraucal or Algebraical?