Suposure or Supposure: How To spell?
The word Suposure is misspelled against Supposure, a noun meaning "Supposition; hypothesis; conjecture."
Supposure has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings su & osure which should not be misspelled with single 'P'
Wrong Spelling:  su-p-osure  Correct Spelling:  su-pp-osure 
Check more misspelled words of Supposure to spell it correct.