sabre vs scimitar

sabre and scimitar both are nouns.

Word	Noun	Adjective	Verb	Adverb
sabre	Yes	No	Yes	No
scimitar	Yes	No	No	No

As nouns, scimitar is a hyponym of sabre; that is, scimitar is a word with a more specific, narrower meaning than sabre:

sabre: a stout sword with a curved blade and thick back
scimitar: a curved oriental saber; the edge is on the convex side of the blade

sabre (noun)	scimitar (noun)
a stout sword with a curved blade and thick back	a curved oriental saber; the edge is on the convex side of the blade
a fencing sword with a v-shaped blade and a slightly curved handle

sabre (verb)	scimitar (verb)
kill with a saber
cut or injure with a saber