Crossword Clue:

Sound of a cat or engine

Answer	Crossword Clue
PURR	Sound of a cat or engine
PURR	Cat or engine sound
ROAR	Crowd or engine sound

PURR	Car or cat sound
PURR	Cat or motor sound
RRR	Sound of a recalcitrant engine
SPUTTER	Sound of a dying engine
PURR	Sound of a happy engine
PURR	Sound of a sleek engine
PURR	Sound of a tuned engine
PUTPUT	Sound of a small engine.

PURR	Sound of a quiet engine.
PURR	Sound of a well-tuned engine
PURR	Sound of a fine-tuned engine
HUM	Sound of a well-tuned engine
PURR	Sound of a well-tuned engine.
PURR	Sound of a finely tuned engine