The word Erable is misspelled against Errable, an adjective meaning "Liable to error; fallible."
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Errable has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings e & able which should not be misspelled with single 'R'
Wrong Spelling:  e-r-able 
Correct Spelling:  e-rr-able 
Explore spell check of Errable to spell without errors.