Treidle or Treadle: How To spell?
The word Treidle is misspelled against Treadle, a noun meaning "The chalaza of a bird's egg; the tread."
Treadle has vowels 'ea' together mispronounced as 'ei'Word contains consecutive vowels 'EA' in between alphabets tr & dle is misspelled as 'EI'
Wrong Spelling:  tr-ei-dle  Correct Spelling:  tr-ea-dle 
Find more wrongly spelled words of Treadle to spell it well.