backsword vs fencing stick

backsword and fencing stick both are nouns.

Word	Noun	Adjective	Verb	Adverb
backsword	Yes	No	No	No
fencing stick	Yes	No	No	No

As nouns, backsword and fencing stick are synonyms defined as:

backsword and fencing stick: a stick used instead of a sword for fencing

Other synonyms of backsword include singlestick.

backsword (noun)	fencing stick (noun)
a sword with only one cutting edge	a stick used instead of a sword for fencing
a stick used instead of a sword for fencing