extended leave; long vacation
summer vacation; summer holidays
childcare leave; maternity leave
winter vacation (holidays)
holiday trip; vacation trip
holiday given in recognition of one's service
maternity leave; eight weeks of compulsory leave following childbirth, plus an optional further six weeks; paternity leave
sick leave; paid sick days
leave-taking tactics; many employees taking paid leave at the same time as a form of industrial action
national vacation village
sabbatical; sabbatical leave