doub - duct
- double amplitude
- double amplitudes
- double balanced relay
- double bend
- double bends
- double beta-ray decay
- double beta-ray decays
- double bevel
- double bevels
- double block
- double blocks
- double bond
- double bonds
- double bottom
- double bottoms
- double bracket
- double brackets
- double bridge
- double bridges
- double callipers
- double calliperses
- double cloth
- double clothes
- double commutator motor
- double commutator motors
- double compound
- double compounds
- double connector
- double connectors
- double crown
- double crowns
- double curvature
- double curvatures
- double cut
- double cuts
- double deckers
- double diode
- double diodes
- double dook
- double dooks
