Trener or Trainer: How To spell?

The word Trener 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 'E'
Wrong Spelling:  tr-e-ner 
Correct Spelling:  tr-ai-ner 
Explore spell check of Trainer to spell without errors.

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