Cokbok or Cookbook: How To spell?
The word Cokbok is misspelled against Cookbook, a noun meaning "A book of directions and receipts for cooking; a cookery book."
Cookbook has double 'oo' twice appearing mispronounced as 'o'Remember double 'OO' appears twice in this word which should not be misspelled with single 'O'
Wrong Spelling:  c-o-kb-o-k  Correct Spelling:  c-oo-kb-oo-k 
Find more incorrect spellings of Cookbook to spell right way.