Incraisement or Increasement: How To spell?

The word Incraisement is misspelled against Increasement, a noun meaning "Increase."

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

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