Decreiseless or Decreaseless: How To spell?

The word Decreiseless is misspelled against Decreaseless, an adjective meaning "Suffering no decrease."

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

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