Decreysing or Decreasing: How To spell?

The word Decreysing is misspelled against Decreasing, an adjective meaning "Becoming less and less; diminishing."

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

You might be interested to know

Disheyrten or Dishearten?

Dreymer or Dreamer?

Endeyrment or Endearment?