Interpelant or Interpellant: How To spell?
The word Interpelant is misspelled against Interpellant, a noun meaning "One who, or that which, interpels."
Interpellant has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings interpe & ant which should not be misspelled with single 'L'
Wrong Spelling:  interpe-l-ant  Correct Spelling:  interpe-ll-ant 
Explore spell check of Interpellant to spell without errors.