remise vs stab

remise and stab both are nouns.

Word	Noun	Adjective	Verb	Adverb
remise	Yes	No	No	No
stab	Yes	No	Yes	No

As nouns, stab is a hypernym of remise; that is, stab is a word with a broader meaning than remise:

remise: (fencing) a second thrust made on the same lunge (as when your opponent fails to riposte)
stab: a strong blow with a knife or other sharp pointed instrument

Other hypernyms of remise include knife thrust, thrust.

remise (noun)	stab (noun)
(fencing) a second thrust made on the same lunge (as when your opponent fails to riposte)	a strong blow with a knife or other sharp pointed instrument
a small building for housing coaches and carriages and other vehicles	informal words for any attempt or effort
an expensive or high-class hackney	a sudden sharp feeling