The word Imalleable is misspelled against Immalleable, an adjective meaning "Not maleable."
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Immalleable has double "mm" is mispronounced as "m"
Remember double 'MM' in between the strings i & alleable which should not be misspelled with single 'M'
Wrong Spelling:  i-m-alleable 
Correct Spelling:  i-mm-alleable 
Explore spell check of Immalleable to spell without errors.