buffer (n.)
- aegis
- antacid
- antidote
- awl
- backstop
- bank
- bar
- barrage
- barrier
- bevel
- bodkin
- boom
- bradawl
- brattice
- breakwater
- breastwork
- buff
- bulkhead
- bulwark
- bumper
- calender
- cancel
- chamois
- cofferdam
- contraceptive
- copyright
- counterbalance
- counterirritant
- crowbar
- cushion
- dam
- dashboard
- defense
- diaphragm
- dibble
- dike
- ditch
- division
- dodger
- drag
- earthwork
- edger
- embankment
- fence
- fender
- file
- flail
- forceps
- fork
- fuse
- gate
- glazer
- goggles
- goose
- governor
- grader
- grapnel
- grindstone
- groin
- guard
- guardrail
- handrail
- harrow
- hawk
- helmet
- hook
- insulation
- interlock
- iron
- jack
- jackscrew
- jam
- jetty
- jointer
- lathe
- levee
- level
- lifeline
- logjam
- mangle
- mask
- mat
- midriff
- midsection
- milldam
- moat
- mole
- mound
- mudguard
- negative
- nullifier
- offset
- pad
- padding
- palladium
- panel
- parapet
- paries
- partition
- patent
- peavey
- pilot
- pincers
- pitchfork
- plane
- planer
- pliers
- polisher
- portcullis
- press
- preventative
- preventive
- prophylactic
- puller
- punch
- ram
- rammer
- rampart
- ramrod
- remedy
- roadblock
- roller
- safeguard
- safety
- sander
- screen
- screwdriver
- seawall
- separation
- septum
- shaper
- shield
- spatula
- square
- stapler
- steamroller
- tackle
- tamp
- tamper
- tap
- thwart
- tongs
- trowel
- tweezers
- umbrella
- undo
- vise
- vitiate
- void
- wall
- weir
- windscreen
- windshield
- work
- wringer
buffer (v.)
- annul
- awl
- backstop
- bank
- bar
- barrage
- bevel
- boom
- brattice
- buff
- bulwark
- calender
- cancel
- copyright
- counterbalance
- cushion
- dam
- dibble
- dike
- ditch
- drag
- fence
- file
- flail
- fork
- frustrate
- fuse
- gate
- goose
- grindstone
- groin
- guard
- harrow
- hawk
- hook
- interlock
- invalidate
- iron
- jack
- jam
- level
- mangle
- mask
- mat
- mound
- negate
- negative
- neutralize
- nullify
- offset
- pad
- panel
- partition
- patent
- pilot
- pitchfork
- plane
- press
- punch
- ram
- remedy
- roller
- safeguard
- screen
- shield
- square
- steamroller
- stultify
- tackle
- tamp
- tamper
- tap
- thwart
- trowel
- undo
- vise
- vitiate
- void
- wall
- work
