Interogative or Interrogative: How To spell?
The word Interogative is misspelled against Interrogative, a noun meaning "A word used in asking questions; as, who? which? why?"
Interrogative has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings inte & ogative which should not be misspelled with single 'R'
Wrong Spelling:  inte-r-ogative  Correct Spelling:  inte-rr-ogative 
Find more incorrect spellings of Interrogative to spell right way.