Finesse

Source Core Rulebook pg. 282
You can use your Dexterity modifier instead of your Strength modifier on attack rolls using this melee weapon. You still use your Strength modifier when calculating damage.

Monk Unarmed Attacks

Crane Wing, Lashing Branch, Tiger Claw, Wolf Jaw

Weapons

Dagger, Dogslicer, Elven Curve Blade, Filcher's Fork, Fist, Kukri, Light Mace, Main-gauche, Nunchaku, Rapier, Sai, Sawtooth Saber, Shortsword, Sickle, Spiked Chain, Starknife, Whip