Isel or Eisel: How To spell?

The word Isel is misspelled against Eisel, a noun meaning "Vinegar; verjuice."

Word begins with consecutive vowels 'EI' followed by alphabets 'sel' is misspelled as 'I' as letter 'E' is phonetically ignored
Wrong Spelling:  i-sel 
Correct Spelling:  ei-sel 
Explore spell check of Eisel to spell without errors.