Crossword Clue:

Runs smoothly

AnswerCrossword Clue
FLOWSRuns smoothly
HUMSRuns smoothly
PURRSRuns smoothly
PURRSRuns smoothly, like an engine
PURRSRuns smoothly, as an engine
JUNKWINSSEEADDHUMSTrash - Victories - "Get it?" - Do some math - Runs smoothly