Period
Interval
Synonyms Time, interval, term, phase, bout, space, chapter, while, spell, stretch, span, session, run, duration, stage, and patch.
Epoch
Menstruation
Synonyms Menstruation, the curse, time of the month, time, menstrual flow, monthlies, menses, and flowers.
Stop
Synonyms Point, full stop, stop, and full point.
Example Sentences
The exam lasts for one period.
She went through a tough period.
This period is crucial for development.
He marked the end period confidently.