Yesterwek or Yesterweek: How To spell?
The word Yesterwek is misspelled against Yesterweek, a noun meaning "The week last past; last week."
Yesterweek has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings Yesterw & k which should not be misspelled with single 'E'
Wrong Spelling:  Yesterw-e-k  Correct Spelling:  Yesterw-ee-k 
Explore spell check of Yesterweek to spell without errors.