Uptron or Uptrain: How To spell?

The word Uptron is misspelled against Uptrain, a verb meaning "To train up; to educate."

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

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