The term 'leave secretly' can be expressed in three different ways: ABSCOND (7 letters), DECAMP (6 letters), and skipout (7 letters). ABSCOND is defined as to leave quickly and secretly, often to avoid capture or arrest. DECAMP is defined as to leave suddenly and secretly, usually to avoid difficulty or danger. Skipout is defined as to leave quickly and secretly, usually to avoid a responsibility or obligation. All three terms refer to the act of leaving a place or situation quickly and without warning.