Concytless or Conceitless: How To spell?

The word Concytless is misspelled against Conceitless, an adjective meaning "Without wit; stupid."

Word contains consecutive vowels 'EI' in between alphabets conc & tless is misspelled as 'Y'
Wrong Spelling:  conc-y-tless 
Correct Spelling:  conc-ei-tless 
Find more incorrect spellings of Conceitless to spell right way.