Interogatories or Interrogatories: How To spell?
The word Interogatories is misspelled against Interrogatories, which is plural of "Interrogatory"
Interrogatories has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings inte & ogatories which should not be misspelled with single 'R'
Wrong Spelling:  inte-r-ogatories  Correct Spelling:  inte-rr-ogatories 
Find more incorrect spellings of Interrogatories to spell right way.