Decreised or Decreased: How To spell?

The word Decreised is misspelled against Decreased, which is past tense of "Decrease"

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

You might be interested to know

Disfeiture or Disfeature?

Dreim or Dream?

Endeiredness or Endearedness?