Iretrievably or Irretrievably: How To spell?
The word Iretrievably is misspelled against Irretrievably, an adverb meaning "In an irretrievable manner."
Irretrievably has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings i & etrievably which should not be misspelled with single 'R'
Wrong Spelling:  i-r-etrievably  Correct Spelling:  i-rr-etrievably 
Find more wrongly spelled words of Irretrievably to spell it well.