Lackbron or Lackbrain: How To spell?

The word Lackbron is misspelled against Lackbrain, a noun meaning "One who is deficient in understanding; a witless person."

Word contains consecutive vowels 'AI' in between alphabets lackbr & n is misspelled as 'O'
Wrong Spelling:  lackbr-o-n 
Correct Spelling:  lackbr-ai-n 
Find more incorrect spellings of Lackbrain to spell right way.

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