Sixes and Sevens (in Hebrew) and the Sabbath rest

• Six (shesh)
  is spelt using two Hebrew letters shin shin (in English s s).
  
• Seven (sheba) H7637,H7651,H7655-59
  and its variations is based on the three letters shin beit ayin (in English s b o).
  They are the base of H7650,H7621 shaba (to make an oath, to swear)
  and H7646-49,H7653-54 saba (filled, satisfied) with its four letter associate sobah (fullness)
   
  Week, another associated word, (shevuah) H7620.
  is spelt with the four letters shin beit vav ayin (in English s b v o). With the extra letter vav, it literally means "to be sevened".
  Click here for the word for "week" in major languages worldwide.
   
  Click here for the days of the week in the English, Greek Orthodox, Hebrew, Arabic and Kurdish calendars.
• Capture (shaba) H7617,H7622
  is spelt with first two letters the same i.e. shin beit hei (in English s b h).
  
• Sabbath, rest, cease (shabbat) H7673-H7677
  is also spelt with first two letters the same i.e. shin beit tav (in English s b t).
  The third letter tav (t) is the final letter in the 22 letter Hebrew alphabet.
  
• Sit or Dwell (yashab) H3427 from H7675
  is a related verb spelt yod shin beit (in English i s b ).