Displaiser or Displeaser: How To spell?

The word Displaiser is misspelled against Displeaser, a noun meaning "One who displeases."

Displeaser has vowels 'ea' together mispronounced as 'ai'
Word contains consecutive vowels 'EA' in between alphabets displ & ser is misspelled as 'AI'
Wrong Spelling:  displ-ai-ser 
Correct Spelling:  displ-ea-ser 
Find more wrongly spelled words of Displeaser to spell it well.

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