Inerability or Inerrability: How To spell?
The word Inerability is misspelled against Inerrability, a noun meaning "Freedom or exemption from error; infallibility."
Inerrability has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings ine & ability which should not be misspelled with single 'R'
Wrong Spelling:  ine-r-ability  Correct Spelling:  ine-rr-ability 
Find more wrongly spelled words of Inerrability to spell it well.