Irefragability or Irrefragability: How To spell?
The word Irefragability is misspelled against Irrefragability, a noun meaning "The quality or state of being irrefragable; incapability of being refuted."
Irrefragability has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings i & efragability which should not be misspelled with single 'R'
Wrong Spelling:  i-r-efragability  Correct Spelling:  i-rr-efragability 
Find more wrongly spelled words of Irrefragability to spell it well.