Trenol or Trenail: How To spell?

The word Trenol is misspelled against Trenail, a noun meaning "Same as Treenail."

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

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