Disprosing or Dispraising: How To spell?

The word Disprosing is misspelled against Dispraising, which is present continuous of "Dispraise"

Word contains consecutive vowels 'AI' in between alphabets dispr & sing is misspelled as 'O'
Wrong Spelling:  dispr-o-sing 
Correct Spelling:  dispr-ai-sing 
Find more incorrect spellings of Dispraising to spell right way.

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