Plinness or Plainness: How To spell?

The word Plinness is misspelled against Plainness, a noun meaning "The quality or state of being plain."

Word contains consecutive vowels 'AI' in between alphabets pl & nness is misspelled as 'I'
Wrong Spelling:  pl-i-nness 
Correct Spelling:  pl-ai-nness 
Find more wrongly spelled words of Plainness to spell it well.

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