Punstaking or Painstaking: How To spell?

The word Punstaking is misspelled against Painstaking, a noun meaning "The act of taking pains; carefulness and fidelity in performance."

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

You might be interested to know

Plut or Plait?

Prosusm or Prosaism?

Rup or Raip?