Studness or Staidness: How To spell?

The word Studness is misspelled against Staidness, a noun meaning "The quality or state of being staid; seriousness; steadiness; sedateness; regularity; -- the opposite of wildness, or levity."

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