### Clue: Some cannot change the score (5)
### Answer: NOTCH 
 ### Explanation: Hidden(*Some*) in *canNOT CHange*.  Defn:  A *score*, or v-shaped nick/cut.  Word origins must be interrelated, as "notches" are also used as a simple method of  keeping "score", as in the Wild West with a gunslinger and the notches on his gun (or so the legend goes).