palladium (n.)
- aegis
- backstop
- buffer
- bulwark
- bumper
- contraceptive
- copyright
- cushion
- dashboard
- dodger
- fender
- fuse
- goggles
- governor
- guard
- guardrail
- handrail
- helmet
- insulation
- interlock
- lifeline
- mask
- mudguard
- pad
- padding
- patent
- pilot
- preventive
- prophylactic
- safeguard
- safety
- screen
- shield
- umbrella
- windscreen
- windshield