Whispering rhymes with:
prospering, diapering, hampering, pampering, papering, peppering, prospering, scampering, tampering, tapering, tempering, wallpapering, whimpering, zippering
prospering, diapering, hampering, pampering, papering, peppering, prospering, scampering, tampering, tapering, tempering, wallpapering, whimpering, zippering