Imperiled or Imperilled: How To spell?

The word Imperiled is misspelled against Imperilled, which is past tense of "Imperil"

Imperilled has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings imperi & ed which should not be misspelled with single 'L'
Wrong Spelling:  imperi-l-ed 
Correct Spelling:  imperi-ll-ed 
Find more wrongly spelled words of Imperilled to spell it well.