coo Synonyms

murmur purr trill cooing coo softly tut twit warble whinny susurrus suspiration squeal squawk snort snarl shriek roar quack whisper yelp chirr murmur to babble softly speak lovingly speak tenderly talk softly call softly sing softly utter softly speak softly lows murmurate mating call mussitate chief operating officer ceo churr peep neigh mutter croak cluck clucking chirrup chirp cheep chatter caw call cackle