The word Quitable is misspelled against Quittable, an adjective meaning "Capable of being quitted."
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Quittable has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings qui & able which should not be misspelled with single 'T'
Wrong Spelling:  qui-t-able 
Correct Spelling:  qui-tt-able 
Check more misspelled words of Quittable to spell it correct.