Compleun or Complain: How To spell?
The word Compleun is misspelled against Complain, a verb meaning "To give utterance to expression of grief, pain, censure, regret. etc.; to lament; to murmur; to find fault; -- commonly used with of. Also, to creak or squeak, as a timber or wheel."
Word contains consecutive vowels 'AI' in between alphabets compl & n is misspelled as 'EU'Wrong Spelling:  compl-eu-n  Correct Spelling:  compl-ai-n 
Check more misspelled words of Complain to spell it correct.