Unmeisurable or Unmeasurable: How To spell?

The word Unmeisurable is misspelled against Unmeasurable, an adjective meaning "Immeasurable."

Unmeasurable has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets unm & surable is misspelled as 'EI'
Wrong Spelling:  unm-ei-surable 
Correct Spelling:  unm-ea-surable 
Check more misspelled words of Unmeasurable to spell it correct.

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