So let's see, 1 basketball word, 1 bludgeon word, 1 teeth word (i'm assuming) and smallest
Ant - Ants are small and can be bludgeoned to death
Czech - Can't see it
Delta - ^
Drone - ^
Dwarf - Yes for smallest
Gear - Maybe a basketball word? A team to step up a gear
Marble - Perhaps could be something to do with teeth
Nail - Bite your nails using teeth
Onion - Onions are small but can't see it
Paddle - Can bludgeon someone with a paddle I guess
Parachute - Probably a drop word
Pearl - Don't think so
i'll go with my most confident ones first Dwarf and Nail