Roniness or Raininess: How To spell?

The word Roniness is misspelled against Raininess, a noun meaning "The state of being rainy."

Word contains consecutive vowels 'AI' in between alphabets r & niness is misspelled as 'O'
Wrong Spelling:  r-o-niness 
Correct Spelling:  r-ai-niness 
Find more incorrect spellings of Raininess to spell right way.

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