The word Quil is misspelled against Quill, a noun meaning "A hollow spindle."
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Quill has double 'll' in the end mispronounced as 'l'
Remember double 'LL' appears in the end of this word which should not be misspelled with single 'L'
Wrong Spelling:  qui-l 
Correct Spelling:  qui-ll 
Check more misspelled words of Quill to spell it correct.