Answer: PURRS

AnswerCrossword Clue
PURRSCat sounds
PURRSContented feline sounds.
PURRSMurmurs contentedly.
PURRSPleasant sounds.
PURRSLow, vibratory sounds.
PURRSFeline sounds.
PURRSSounds of contentment.
PURRSContented sounds.
PURRSMotor sounds.
PURRSSounds contented.
PURRSAilurophiles' rewards
PURRSGood engine sounds
PURRSDoesn't knock or ping
PURRSRuns smoothly, as an engine
PURRSEngine hums
PURRSCatty sounds.
PURRSSounds from a happy kitty
PURRSCopies a happy cat
PURRSRuns sweetly
PURRSHums like an engine
PURRSWhat a good engine does
PURRSSmooth engine sounds
PURRSManx thanks
PURRSUtters soft sounds
PURRSEngine sounds
PURRSSatisfied sounds
purrsPURR, to utter a low, vibrant sound, also PUR
purrsthe low, continuous vibrating sound made by a cat
purrsto make this sound
PURRSRuns great
PURRSHums
PURRSSounds satisfied
PURRSDoesn't ping
PURRSSounds of contentment
PURRSRuns smoothly, like an engine
PURRSSigns of kitty's contentment
PURRSWas recently tuned, as an engine
PURRSCat murmurs
PURRSSiamese sounds
PURRSDoesn't knock?