Frayed is the past tense of fray, or is used to describe something that is frayed.
A hand grenade is a weapon that is activated and then thrown by hand or launched by some mechanical means. It explodes a short time after it is activated.
Aid, Arcade, Brigade, Charade, Cliched, Colonnade, Crusade, Deadly nightshade, Decayed, Degrade, Delayed, Dismayed, Displayed, Dissuade, Downgrade, Evade, Forbade, Grade, Invade, Jade (name), Maid, Masquerade, Persuade, Pervade, Portrayed, Prayed, Preyed, Promenade, Raid, Repaid, Spayed, Staid, Strayed, Tirade, Trade, Upgrade