time (a duration during which you do something or something happens): It’s time for me to go.
period (a length of time): It was a difficult period for us.
while (a length of time): Let me rest for a while.
term (a fixed duration): He was elected for a second term.
spell (a period during which an activity or condition persists): He had a brief spell as the team’s manager.
season (a time of year when a particular activity or event occurs): It gets very busy here during the tourist season.
interval (a duration between two activities or events): Peace now is merely an interval between two wars.
stint (a period spent doing a job or activity): He had a short stint as a waiter.
span (a length of time that something lasts): You and I have lived together for a span of twenty years.
