Underposesor or Underpossessor: How To spell?
The word Underposesor is misspelled against Underpossessor, a noun meaning "One who possesses or holds anything subject to the superior of another."
Underpossessor has double 'ss' twice appearing mispronounced as 's'Remember double 'SS' appears twice in this word which should not be misspelled with single 'S'
Wrong Spelling:  underpo-s-e-s-or  Correct Spelling:  underpo-ss-e-ss-or 
Find more incorrect spellings of Underpossessor to spell right way.