Treuner or Trainer: How To spell?
The word Treuner 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 'EU'Wrong Spelling:  tr-eu-ner  Correct Spelling:  tr-ai-ner 
Check more misspelled words of Trainer to spell it correct.