Extramision or Extramission: How To spell?

The word Extramision is misspelled against Extramission, a noun meaning "A sending out; emission."

Extramission has double "ss" is mispronounced as "s"
Remember double 'SS' in between the strings extrami & ion which should not be misspelled with single 'S'
Wrong Spelling:  extrami-s-ion 
Correct Spelling:  extrami-ss-ion 
Find more incorrect spellings of Extramission to spell right way.

You might be interested to know

Fosilism or Fossilism?

Glosanthrax or Glossanthrax?

Grasy or Grassy?