While
Time
Synonyms Time, stretch, span, interval, period of time, duration, phase, term, spell, stint, season, period, length of time, run, stage, and patch.
Pass
Synonyms Pass, occupy, kill, spend, use up, and beguile.
Example Sentences
He cooked dinner while she set the table.
They played music while the guests arrived.
She studied for exams while he painted.
The children played outside while it rained.