S: (n) defect, fault, flaw (an imperfection in an object or machine) "a flaw caused the crystal to shatter"; "if there are any defects you should send it back to the manufacturer"
S: (n) blemish, defect, mar (a mark or flaw that spoils the appearance of something (especially on a person's body)) "a facial blemish"
S: (v) defect, desert (desert (a cause, a country or an army), often in order to join the opposing cause, country, or army) "If soldiers deserted Hitler's army, they were shot"