Creising or Creasing: How To spell?

The word Creising is misspelled against Creasing, a noun meaning "A layer of tiles forming a corona for a wall."

Creasing has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets cr & sing is misspelled as 'EI'
Wrong Spelling:  cr-ei-sing 
Correct Spelling:  cr-ea-sing 
Find more wrongly spelled words of Creasing to spell it well.

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