Ratrace

6 clues
Grind
Treadmill
Daily grind
Frantic scramble
Wearisome routine
Nine-to-five grind
Similar answers:
Aaarated
Aaarating
Aattheraces
Aberrate
Aberration
Aberrations
Abjuration
Abraceofbirds
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Accelerate
Accelerated
Accelerates
Acceleration
Accelerato
Accelerator
Accountofrace
Acculturate
Accurate
Accurately
Accuraterate