Impasable or Impassable: How To spell?

The word Impasable is misspelled against Impassable, meaning "That can not be passed through or over."

Impassable has double "ss" is mispronounced as "s"
Remember double 'SS' in between the strings impa & able which should not be misspelled with single 'S'
Wrong Spelling:  impa-s-able 
Correct Spelling:  impa-ss-able 
Explore spell check of Impassable to spell without errors.

You might be interested to know

Incrasative or Incrassative?

Irrepresibly or Irrepressibly?

Liasic or Liassic?