cavalry sword vs saber

cavalry sword and saber both are nouns.

Word	Noun	Adjective	Verb	Adverb
cavalry sword	Yes	No	No	No
saber	Yes	No	Yes	No

As nouns, cavalry sword and saber are synonyms defined as:

cavalry sword and saber: a stout sword with a curved blade and thick back

Other synonyms of cavalry sword include sabre.

cavalry sword (noun)	saber (noun)
a stout sword with a curved blade and thick back	a stout sword with a curved blade and thick back
	a fencing sword with a v-shaped blade and a slightly curved handle

cavalry sword (verb)	saber (verb)
	kill with a saber
	cut or injure with a saber