Related Clues:

• Pillow talk murmur
• Happy baby's sound
• Whisper lovingly
• Baby or bird sound
• Breathe a form of carbon dioxide
• Sound heard in 45 Down
• Call like a dove
• Part of a baby's repertoire
• Sound from loving birds?
• Aquatic bird has tail bitten off? Goodness me
• Whisper tenderly
• Happy baby sound
• Lovey-dovey noise
• Expression of surprise (by a dove?)
• High-ranking exec, for short