Truner or Trainer: How To spell?

The word Truner is misspelled against Trainer, a noun meaning "A militiaman when called out for exercise or discipline."

Word contains consecutive vowels 'AI' in between alphabets tr & ner is misspelled as 'U'
Wrong Spelling:  tr-u-ner 
Correct Spelling:  tr-ai-ner 
Check more misspelled words of Trainer to spell it correct.

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