Amoniacal or Ammoniacal: How To spell?

The word Amoniacal is misspelled against Ammoniacal, an adjective meaning "pertaining to ammonia, possessing its properties; as, an ammoniac salt; ammoniacal gas."

Ammoniacal has double "mm" is mispronounced as "m"
Remember double 'MM' in between the strings a & oniacal which should not be misspelled with single 'M'
Wrong Spelling:  a-m-oniacal 
Correct Spelling:  a-mm-oniacal 
Find more incorrect spellings of Ammoniacal to spell right way.

You might be interested to know

Circumeridian or Circummeridian?

Comensalism or Commensalism?

Comissaries or Commissaries?