The word Erableness is misspelled against Errableness, a noun meaning "Liability to error."
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Errableness has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings e & ableness which should not be misspelled with single 'R'
Wrong Spelling:  e-r-ableness 
Correct Spelling:  e-rr-ableness 
Explore spell check of Errableness to spell without errors.