Complauner or Complainer: How To spell?
The word Complauner is misspelled against Complainer, a noun meaning "One who complains or laments; one who finds fault; a murmurer."
Word contains consecutive vowels 'AI' in between alphabets compl & ner is misspelled as 'AU'Wrong Spelling:  compl-au-ner  Correct Spelling:  compl-ai-ner 
Check more misspelled words of Complainer to spell it correct.