Plaonness or Plainness: How To spell?

The word Plaonness 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 'AO'
Wrong Spelling:  pl-ao-nness 
Correct Spelling:  pl-ai-nness 
Find more incorrect spellings of Plainness to spell right way.

You might be interested to know

Proclaomed or Proclaimed?

Raondrop or Raindrop?

Repaored or Repaired?