Nouns

(n)pang, stab, twingea sudden sharp feeling“pangs of regret”, “she felt a stab of excitement”, “twinges of conscience”
(n)stab, thrust, knife thrusta strong blow with a knife or other sharp pointed instrument“one strong stab to the heart killed him”
(n)shot, stabinformal words for any attempt or effort“he gave it his best shot”, “he took a stab at forecasting”

Verbs

(v)knife, stabuse a knife on“The victim was knifed to death”
(v)stab, jabstab or pierce“he jabbed the piece of meat with his pocket knife”
(v)jab, prod, stab, poke, digpoke or thrust abruptly“he jabbed his finger into her ribs”