Irelavancy or Irrelavancy: How To spell?
The word Irelavancy is misspelled against Irrelavancy, a noun meaning "The quality or state of being irrelevant; as, the irrelevancy of an argument."
Irrelavancy has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings i & elavancy which should not be misspelled with single 'R'
Wrong Spelling:  i-r-elavancy  Correct Spelling:  i-rr-elavancy 
Explore spell check of Irrelavancy to spell without errors.