Pressurance or Preassurance: How To spell?

The word Pressurance is misspelled against Preassurance, a noun meaning "Previous assurance."

Preassurance has vowels 'ea' together mispronounced as 'e'
Word contains consecutive vowels 'EA' in between alphabets pr & ssurance is misspelled as 'E'
Wrong Spelling:  pr-e-ssurance 
Correct Spelling:  pr-ea-ssurance 
Check more misspelled words of Preassurance to spell it correct.

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