General synonyms:
* Sword: This is the most general synonym and refers to any bladed weapon.
* Cutlass: This is a shorter, curved sword often used by sailors.
* Broadsword: This is a type of sword with a broad, flat blade.
* Scimitar: This is a curved, single-edged sword from the Middle East.
* Claymore: This is a large, double-edged sword from Scotland.
More specific synonyms:
* Cavalry saber: This refers specifically to the type of sword used by cavalry soldiers.
* Light saber: This is a fictional weapon from Star Wars.
The best synonym for "sabres" will depend on the specific context in which you are using the word.