Herspring or Hairspring: How To spell?

The word Herspring is misspelled against Hairspring, a noun meaning "The slender recoil spring which regulates the motion of the balance in a timepiece."

Word contains consecutive vowels 'AI' in between alphabets h & rspring is misspelled as 'E'
Wrong Spelling: h-e-rspring
Correct Spelling: h-ai-rspring
Find more wrongly spelled words of Hairspring to spell it well.