The word Quok is misspelled against Quook, which is past tense of "Quake."
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Quook has double "oo" is mispronounced as "o"
Remember double 'OO' in between the strings qu & k which should not be misspelled with single 'O'
Wrong Spelling:  qu-o-k 
Correct Spelling:  qu-oo-k 
Check more misspelled words of Quook to spell it correct.