Unstel or Unsteel: How To spell?

The word Unstel is misspelled against Unsteel, a verb meaning "To disarm; to soften."

Unsteel has double "ee" is mispronounced as "e"
Remember double 'EE' in between the strings Unst & l which should not be misspelled with single 'E'
Wrong Spelling:  Unst-e-l 
Correct Spelling:  Unst-ee-l 
Explore spell check of Unsteel to spell without errors.

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