burr² or bur /bûr/

1. The rough sound of r pronounced in the throat, as by many Northumberland people
2. A continual humming sound as of a machine

1. To speak with a burr
2. To whisper hoarsely, to murmur

• Riesling
• Rieslings
• rieve
• riever
• rifacimenti
• rifacimento
• rifampicin
• rife
• rifely
• rifeness
• rifenesses
• rifer
• rifest
• riff
• riffage
• riffed
• riffing
• riffle
• riffled
• riffler
• rifflers
• riffles
• riffling
• riff-raff
• riffs