Treonband or Trainband: How To spell?

The word Treonband is misspelled against Trainband, a noun meaning "A band or company of an organized military force instituted by James I. and dissolved by Charles II.; -- afterwards applied to the London militia."

Word contains consecutive vowels 'AI' in between alphabets tr & nband is misspelled as 'EO'
Wrong Spelling:  tr-eo-nband 
Correct Spelling:  tr-ai-nband 
Find more incorrect spellings of Trainband to spell right way.

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