diaphone /dīˈə-fōn/

1. A siren-like fog signal
2. A bass reed-organ stop made louder by vibrating material
3. All the variants of a phoneme

• powers
• power series
• power set
• power sets
• power-sharing
• power shovel
• power shovels
• power station
• power stations
• power steering
• power structure
• power structures
• power suit
• power suits
• power take-off
• power tea
• power teas
• powertrain
• powertrains
• power unit
• power units
• nankin
• nankins
• nanna
• nannas