Reteiner or Retainer: How To spell?
The word Reteiner is misspelled against Retainer, a noun meaning "A fee paid to engage a lawyer or counselor to maintain a cause, or to prevent his being employed by the opposing party in the case; -- called also retaining fee."
Word contains consecutive vowels 'AI' in between alphabets ret & ner is misspelled as 'EI'Wrong Spelling:  ret-ei-ner  Correct Spelling:  ret-ai-ner 
Find more wrongly spelled words of Retainer to spell it well.