sabre vs cavalry sword

sabre and cavalry sword both are nouns.

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

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

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

Other synonyms of sabre include saber.

sabre (noun)	cavalry sword (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

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