Aighty or Eighty: How To spell?

The word Aighty is misspelled against Eighty, a noun meaning "A symbol representing eighty units, or ten eight times repeated, as 80 or lxxx."

Word begins with consecutive vowels 'EI' followed by alphabets 'ghty' is misspelled as 'AI'
Wrong Spelling:  ai-ghty 
Correct Spelling:  ei-ghty 
Find more wrongly spelled words of Eighty to spell it well.