Insesor or Insessor: How To spell?
The word Insesor is misspelled against Insessor, a noun meaning "One of the Insessores. The group includes most of the common singing birds."
Insessor has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings inse & or which should not be misspelled with single 'S'
Wrong Spelling:  inse-s-or  Correct Spelling:  inse-ss-or 
Find more incorrect spellings of Insessor to spell right way.