Chilblun or Chilblain: How To spell?

The word Chilblun is misspelled against Chilblain, a noun meaning "A blain, sore, or inflammatory swelling, produced by exposure of the feet or hands to cold, and attended by itching, pain, and sometimes ulceration."

Word contains consecutive vowels 'AI' in between alphabets chilbl & n is misspelled as 'U'
Wrong Spelling: chilbl-u-n
Correct Spelling: chilbl-ai-n
Check more misspelled words of Chilblain to spell it correct.