Synonyms for Sprain:

n.

burn, break, disable, wound, harm, bruise, cut, injure. bruising, fracture, loss, self-injury, scrape, concussion, health. injury (noun)
twist, wrench, turn.
sprain (noun)
turn, twist, wrick, rick, wrench.
twist (noun)
overstrain, strain, injury.

v.

body (verb)
turn, twist, wrick, rick, wrench.

Other synonyms:

concussion, injury, fracture, self-injury. bruising. wound. bruise, loss. scrape. Other relevant words:
cut, burn, injury, fracture, strain, wound, disable, self-injury, break, loss, overstrain, injure, scrape, bruise, concussion, health, bruising, harm.

Usage examples for sprain

  1. A poultice of wheat bran, or rye bran, and vinegar, very soon takes down the inflammation occasioned by a sprain – The American Frugal Housewife by Lydia M. Child
  2. He tells me that he thinks he has fairly got over that sprain in his back. – When London Burned by G. A. Henty