Decaytfulness or Deceitfulness: How To spell?

The word Decaytfulness is misspelled against Deceitfulness, a noun meaning "Tendency to mislead or deceive."

Word contains consecutive vowels 'EI' in between alphabets dec & tfulness is misspelled as 'AY'
Wrong Spelling:  dec-ay-tfulness 
Correct Spelling:  dec-ei-tfulness 
Check more misspelled words of Deceitfulness to spell it correct.