Iltreat or Illtreat: How To spell?

The word Iltreat is misspelled against Illtreat, a verb meaning "To treat cruelly or improperly; to ill use; to maltreat."

Illtreat has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings i & treat which should not be misspelled with single 'L'
Wrong Spelling:  i-l-treat 
Correct Spelling:  i-ll-treat 
Explore spell check of Illtreat to spell without errors.