Catalactics or Catallactics: How To spell?

The word Catalactics is misspelled against Catallactics, a noun meaning "The science of exchanges, a branch of political economy."

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