Certificate
Part of speech: noun
Definition: A document containing a certified statement. A document evidencing ownership or debt. The information needed in order to verify a positive answer to a problem.
Example sentence: Vickie Lynn Hogan is my birth certificate's name.
Security
Part of speech: noun
Definition: the condition of not being threatened, especially physically, psychologically, emotionally, or financiallysomething that secures.an organization or department responsible for providing security by enforcing laws, rules, and regulations as well as maintaining order.something that secures the fulfillment of an obligation or law.Freedom from apprehension.proof of ownership of stocks, bonds or other investment instruments.Wproperty temporarily relinquished to guarantee repayment of a loan
Example sentence: The most intense conflicts, if overcome, leave behind a sense of security and calm that is not easily disturbed. It is just these intense conflicts and their conflagration which are needed to produce valuable and lasting results.