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.