Synalagmatic or Synallagmatic: How To spell?

The word Synalagmatic is misspelled against Synallagmatic, an adjective meaning "Imposing reciprocal obligations upon the parties; as, a synallagmatic contract."

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