Pilowcase or Pillowcase: How To spell?
The word Pilowcase is misspelled against Pillowcase, a noun meaning "A removable case or covering for a pillow, usually of white linen or cotton cloth."
Pillowcase has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings pi & owcase which should not be misspelled with single 'L'
Wrong Spelling:  pi-l-owcase  Correct Spelling:  pi-ll-owcase 
Find more incorrect spellings of Pillowcase to spell right way.