Flinch vs Winces - What's the difference?

As nouns the difference between flinch and winces

is that flinch is a reflexive jerking away while winces is plural of lang=en.

is to make a sudden, involuntary movement in response to a (usually negative) stimulus.

(es)

A reflexive jerking away.

My eye doctor hates the flinch I have every time he tries to get near my eyes.

To make a sudden, involuntary movement in response to a (usually negative) stimulus.

* John Locke

A child, by a constant course of kindness, may be accustomed to bear very rough usage without flinching or complaining.

To dodge (a question), to avoid an unpleasant task or duty

To let the foot slip from a ball, when attempting to give a tight croquet.

(head)