concussion (n.)
- abrasion
- beating
- blemish
- blow
- break
- brunt
- buffeting
- bump
- burn
- cannon
- carom
- chafe
- check
- chip
- clash
- clip
- clout
- collision
- crack
- crack-up
- crackle
- crash
- craze
- crunch
- cut
- encounter
- fracture
- fray
- frazzle
- gall
- gash
- hammering
- hurt
- impact
- impingement
- incision
- injury
- jar
- jolt
- laceration
- lesion
- meeting
- mutilation
- onslaught
- percussion
- pounding
- puncture
- ramming
- rent
- repercussion
- rip
- run
- rupture
- scald
- scorch
- scrape
- scratch
- scuff
- shaking
- shock
- sideswipe
- slash
- smash
- smash-up
- smashing
- sore
- stab
- tear
- thrusting
- trauma
- wound
- wrench